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

### Instruction:
 金有12瓶指甲油。海蒂比金多5瓶，卡伦比金少4瓶。卡伦和海蒂一共有多少瓶指甲油？


### Response:
 金有12瓶指甲油。
海蒂比金多5瓶，即12 + 5 = 17瓶。
卡伦比金少4瓶，即12 - 4 = 8瓶。
卡伦和海蒂一共有17 + 8 = 25瓶指甲油。