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

### Instruction:
 River Falls High School有600名学生，其中3/4的学生打网球。打网球的学生中，有60%的学生也打曲棍球。有多少学生既打曲棍球又打网球？


### Response:
 打网球的学生：600(3/4)=<<600*3/4=450>>450名学生
打曲棍球和打网球的学生：450(60%)=270名学生