After Wang Zheng released the Kongming lanterns, people in the city began to follow suit, starting with the students. These guys were smarter than the average person and could understand the principles behind it with just a little thought, so they were naturally willing to try it out for themselves.

Then craftsmen, soldiers, and even Tibetan people began to make Kongming lanterns. All of a sudden, the bamboo and waste paper that used to be everywhere in the city were swept away. Some clever guys even started making Kongming lanterns to sell.

After all, not everyone’s Kongming lantern can fly.

For example, Wang Wu couldn't get the Kongming lantern to fly no matter what he did. Even the Kongming lanterns he bought could only fly by luck.

Seeing Wang Wu's dejected look, Wang Zheng sighed, "It's no use for you to come to me. The principle is so simple. The key is stability and patience. You have to let the lantern be filled with enough hot air before slowly letting go, and it will naturally fly up."

Wang Wu grumbled in dissatisfaction, "That's not the case at all. It's not that the principle is simple, you just make it sound simple. There must be some trick you didn't tell me. I heard that when Xiao Yuehua threw it, the lantern flew up directly."

Wang Zheng pulled the corner of his mouth and said helplessly: "The lantern had been burning for so long, so it could fly naturally. There is no trick. Besides, many students, craftsmen, and soldiers in the city made their own Kongming lanterns and they also flew, right?"

Wang Zheng took the pen and paper from the table, dipped it in ink, wrote a note and handed it to Wang Wu, saying, "Here are twenty yaks. Take them to the logistics department and ask Zhang San to pick them up. Go and get the job done as soon as possible. You don't have to pay them back. Just consider it as a betrothal gift from His Majesty."

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After he said that, Wang Wu finally realized what was going on. His face immediately turned red and he waved his hands, saying, "What girl? There is no girl. I just want to fly a few Kongming lanterns to satisfy my craving."

Wang Zheng narrowed his eyes and asked, "I remember that your monthly salary in the past two years was more than two cows. Now you ask me to borrow money for two cows. I never asked before, but now I want to ask you, where is your money?"

That girl is someone who can make a living. Since you are dating her, you should get along well with her and get things done as soon as possible so that your family won't rush you. If you need anything, you can tell me. We don't need to mistreat her."

Wang Wu took the note Wang Zheng handed over, looked at it, and nodded, "Okay, I'll go to the blacksmith shop and ask them what their family says."

"Hehe, I spent money on eating and drinking with my brothers."

Some guys just put a piece of burning coal inside the Kongming lantern after making it. Given the weight of the coal, there is no way the lantern can fly.

Hearing Wang Zheng say this, Wang Wu immediately started to smile foolishly, "As long as you agree, that woman may not look very good, but she is really nice to people. That's what we need to find in life."

Wang Zheng should have visited in person, but his status did not suit him to go, lest Zhuoma's family become spoiled and take advantage of their power to bully their neighbors in the future.

"hey-hey."

Wang Wu said stubbornly: "I'll let you beat me up, but I just want kerosene."

Wang Zheng nodded and sneered, "From now on, 80% of your salary will be collected by Zhuoma."

"Then there are even more people making lanterns that can't fly."

Wang Wu was completely confused and asked tentatively: "Isn't this bad?"

Thinking of the girl in the blacksmith shop in the west of the city, Wang Zheng couldn't help but twitching his cheeks, and finally sighed and said, "As long as you like it, as long as she is a good family, I will give you a bamboo tube of kerosene, you can use it sparingly.

Wang Zheng nodded and said, "Very good. I remember the woman in the blacksmith shop in the west of the city was called Zhuoma, right?"

Although the goal was achieved and the work was done, Wang Wu was not very comfortable in his heart. After all, 80% of his salary was gone, and his future life would be difficult.

Wang Wu nodded and said with a smile: "Yes, it is Zhuoma. Brother Zhong is busy with many things, I didn't expect that you remembered Zhuoma's name."

"It's not a big deal. There are so many students here. It doesn't matter if we settle a few small accounts."

Even though the students of Yuzhou are fair and will not favor anyone just because of Wang Wu's relationship, this must be prevented in advance.

"No, the candle flame is too small to fly. I need kerosene."

"There is only so much kerosene now, and I need it for experiments. I can give it to you. You can just make a candle."

Wang Zheng was silent now. After thinking for a while, he asked tentatively, "Which girl is this?"

"I think this is great. Let's just make this a happy decision."

Wang Wu answered subconsciously: "From the blacksmith shop in the west of the city."

"There are no rules. I know her family members very well. The Tibetans don't have so many rules. It's very convenient. As long as the betrothal gifts are about the same, it's fine."

Wang Zheng nodded and said, "That's good. Let's get it done as soon as possible. If there's any inconvenience, you can tell us now."

"That's because they have a fuel problem."

Wang Wu first thanked her, then asked tentatively: "Well, it's fine for me to collect the salary myself, why should I give it to Zhuoma? Besides, it would be troublesome to split it in two, right?"

"Then get me some kerosene."

Wang Zheng narrowed his eyes and asked, "Do you want a wooden stick?"

"It's not that I agree, it's that you like it. If you think they are good, then find someone to go to their house and talk to them about their rules. If you can accept them, then accept them. If you can't accept them, then discuss it with them."

"Hehe." Wang Wu rubbed his fingers with a silly smile, "I want to lend you some money so that I can buy two cows to propose marriage."

Wang Zheng paused for a moment, then continued, "Find a time to send the betrothal gifts over, and then discuss with her when to get married. Ask your sister-in-law to visit Zhuoma's family some other day, and I'll take care of the banquet for you."

When leaving, Wang Wu was thinking that he would have to find a way to make some money in the future. Well, doing some business seemed like a good idea, but when he thought about the troubles of doing business, Wang Wu felt confused.

Looking at Wang Wu's depressed expression, Wang Zheng smiled and felt very happy in his heart.

Wang Wu is already 22 years old this year. In this era, it is completely late to marry and have children. When he was in Yuzhou, there were also aristocratic families who wanted to use Wang Wu's relationship to form a marriage alliance with Wang Zheng.

But among so many girls, Wang Wu didn't like any of them. Now he finally found one he liked. After he got the matter done, Wang Zheng could return to Chang'an and explain to his family.

Otherwise, if he really brought it back to the old bachelor, his family would definitely blame Wang Zheng to death, and this kind of thing is not easy to explain.