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

### Instruction:
 杰拉德想买一个价值2个芬尼币的肉派。杰拉德有54个法林，而1个芬尼币等于6个法林。买了派之后，杰拉德还剩下多少个芬尼币？


### Response:
 首先，通过除以汇率将杰拉德拥有的法林转换为芬尼币：54个法林 / 6个法林/芬尼币 = 9个芬尼币
然后减去肉派的价格，找出杰拉德剩下多少个芬尼币：9个芬尼币 - 2个芬尼币 = <<9-2=7>>7个芬尼币