I Traveled Through Time and Became an Old Man in His Seventies. How About You Play Me?

[Seventy-year-old man + time travel + system + hilarious daily life + brainless fun] Su Cheng accidentally traveled through the Zhou Dynasty, only to find that he had become an old man in his seventies, and his traitorous son poisoned him and wanted his life! Others who traveled through time held the system in their hands and reached the peak of their lives. When Su Cheng was angry, the system was turned on! I just want to make money, get rid of illness, and live longer! What? Insufficient food in a famine year? It's easy! Give me gold and I will provide you with food, and you can double it! What? Is this 70-year-old man visiting a flower house? Everyone was shocked and found out that this old man was capable of doing this! Bargain with the emperor and ask the emperor to write him an IOU! One person challenged the Imperial College, and one poem overwhelmed the entire academy! The war broke out and the army pressed on the border! Su Cheng led his troops to attack, and the enemy was beaten to the ground. Emperor: I only asked him to guard the border, not to destroy the other countries? Princess: This old man is also quite a man of character, and his marriage is not bad. A group of scholars: Why isn't this old man dead? ! [The introduction is short, please enter the text!