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

### Instruction:
 星期三有37名学生踢足球。星期四，少了9名学生踢足球。星期三和星期四一共有多少名学生踢足球？


### Response:
 37 - 9 = <<37-9=28>>28
28 + 37 = <<28+37=65>>65
星期三和星期四一共有65名学生踢足球。