A salted fishapos;s

"Then I'll order 20,000 blue bricks and 20,000 red bricks. Uncle, give me a discount.",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.",It seems like they're also going to build a house for Grandma...。