The Wandering Story of an Idler in the Song Dynasty

An ordinary modern college student traveled through time and became Chen Xian, a poor boy on the streets of the Song Dynasty. He used modern common sense + basic mathematics and physics + historical cleverness + talk to make money. Determined to be an idler in the market, not to take the initiative to be an official, not to engage in political intrigues, but just to make money, marry a wife, and live a small life, but was forced to cheat along the way.