C757 Calculi

Hearing Yang Chen's words, Zhang Quan was a little surprised and asked: "Not in public?"

Yang Chen frowned: "To be able to open a stone in the Stone Extinguishing District is like putting on a show, a group of people are surrounding them, if there is a rise, someone would come over and ask for a price, and if there is a fall, a bunch of people would laugh at it, what am I trying to do?"

When