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

### Instruction:
 罗比体重100磅。帕蒂曾经是罗比的4.5倍重，但她通过锻炼减掉了235磅。现在帕蒂比罗比重多多少磅？


### Response:
 帕蒂曾经重450磅，因此她现在锻炼后重215磅。
帕蒂比罗比重115磅。