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

### Instruction:
 两个公寓室友每个月平分房租、水电费和杂货费。整个公寓的房租是1100美元，水电费是114美元。如果一个室友总共支付757美元，整个公寓的杂货费是多少美元？


### Response:
 所有费用的总额是$757 * 2 = $<<757*2=1514>>1514。
房租是$1100 + $114水电费 = $<<1100+114=1214>>1214。
杂货费是$1514 - $1214 = $<<1514-1214=300>>300。