Below is an instruction that describes a task. Write a response that appropriately completes the request in Chinese. Please answer in Chinese.

### Instruction:
 米切尔先生正在为足球队买披萨。他为每个赛季进球数买一片披萨。一张大披萨有12片。如果他买了6张披萨，而球队有8场比赛，平均每场比赛进了多少球？


### Response:
 他们进了72个球，因为6 x 12 = <<6*12=72>>72
他们平均每场比赛进了9个球，因为72 / 8 = <<72/8=9>>9