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

### Instruction:
 阿比有20袋薯片。她给了朋友4袋薯片，并在商店买了另外6袋薯片。最后阿比有多少袋薯片？


### Response:
 阿比给朋友4袋薯片后，还剩下20 - 4 = <<20-4=16>>16袋薯片。
最后阿比有16 + 6 = <<16+6=22>>22袋薯片。