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

### Instruction:
 莉齐需要运送540磅的鱼，这些鱼被装在每个30磅的箱子里。如果每个箱子的运费是1.5美元，莉齐需要支付多少运费？


### Response:
 需要18个箱子来装540磅的鱼。
因此，运费总额为18个箱子 x 每个箱子1.5美元 = 27美元。