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

### Instruction:
 凯拉和凯莉一共摘了200个苹果。凯拉摘了凯莉摘的苹果的四分之一。凯拉摘了多少个苹果？


### Response:
 设x为凯莉摘的苹果的数量。
凯拉摘了(1/4)x个苹果。
x + (1/4)x = 200
(5/4)x = 200
x = 200(4/5)
x = 160个苹果
凯拉摘了(1/4)(160) = 40个苹果。