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

### Instruction:
 杰维斯连续三天平均驾驶了315英里。亨利在一周内总共驾驶了1,250英里。亨利比杰维斯多驾驶了多少英里？


### Response:
 杰维斯连续三天驾驶了3天 x 315英里/天 = <<3*315=945>>945英里。
1,250英里 - 945英里 = <<1250-945=305>>305英里。
亨利比杰维斯多驾驶了305英里。