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

### Instruction:
 泰勒比山姆重25磅。彼得比泰勒轻一半。如果彼得重65磅，山姆重多少磅？


### Response:
 泰勒重65*2=<<65*2=130>>130磅。
山姆重130-25=<<130-25=105>>105磅。