A salted fishapos;s

"Youngster, I haven't seen you around before. Where are you from",Seeing the old man's hesitation, Yan Laowu decisively drew his knife and said: "Old man, blue bricks are 20,300 per unit, red bricks are 20,800 per unit, a total of 48,000.",He pulled out another thin slate and showed it to everyone: "There are also these kinds. The foreman at the quarry said that these slates can be used for heating floors."。