The old man glanced at him a few times, then looked at Qi Si and said, "My eldest son has gone to serve his duty, so now it's just me and my youngest son working. Li Ma will tell you that I'm slow at making bricks. How many do you need","By the way, old man, do you burn coal here How much does coal cost, is it expensive",On the road, Qi Si Dao said: "Yan Er Ge, I brought silver."。