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

### Instruction:
 班级里有100名学生，男生和女生的比例是3:2。男生比女生多多少人？


### Response:
 班级里有100 x 3/5 = <<100*3/5=60>>60个男生。
班级里有100 x 2/5 = <<100*2/5=40>>40个女生。
男生比女生多出60 - 40 = <<60-40=20>>20个。