Li Zheng was kicked out of his study in Chang'an because he was too stupid. Many people thought he was an abnormal person.
When he unlocked the Nine Chapters of Numeracy and solved the Yinshan War situation, the whole Chang'an people were looking for him...
Poetry, numerology, medical skills
Li is becoming famous in Chang'an.
The five surnames recruit, the emperor invites, and the prince woos.
At this time, Li Zheng was hiding in full view of the public.
…
Fang Xuanling: "Li Zheng, the situation in the DPRK is serious, please come out."
Li Chunfeng: "Li Zheng, I gave you the push-back diagram. Please come out."
Cheng Yaojin: "Li Zheng, the Turks and Tibetans are attacking again. Get out of the mountain quickly."
Li Shimin: "Li Zheng, my Tang Dynasty seems to be dying. Please come out as soon as possible."
…
Li Zheng said calmly: "Don't make any noise! My railway will be built soon."
This book is also called "I Really Have No Money to Protect the Tang Dynasty"
