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

### Instruction:
 买了五件衬衫。其中有三件衬衫每件15美元。剩下的衬衫每件20美元。这五件衬衫的总价是多少美元？


### Response:
 有三件每件15美元的衬衫和两件每件20美元的衬衫。
因此总费用是3件衬衫 * 每件15美元 + 2件衬衫 * 每件20美元 = <<3*15+2*20=75>>75美元