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

### Instruction:
 Cooper每天做7个苹果派。他这样做了12天。然后，Ashley吃了他的50个派。Cooper还剩下多少个苹果派？


### Response:
 Cooper在12天内做的苹果派数量是7个派/天 * 12天 = <<7*12=84>>84个苹果派。
Ashley吃了其中的50个，所以Cooper还剩下84个派 - 50个派 = <<84-50=34>>34个苹果派。