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

### Instruction:
 詹姆斯买了5包每包4磅的牛肉。牛肉的价格是每磅5.50美元。他付了多少钱？


### Response:
 他买了5*4=<<5*4=20>>20磅的牛肉
所以他花了20*5.5=<<20*5.5=110>>110美元