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

### Instruction:
 杰基每天工作8小时，锻炼3小时，睡觉8小时。他有多少个小时的空闲时间？


### Response:
 杰基在工作、锻炼和睡觉上总共花了8 + 8 + 3 = <<8+8+3=19>>19个小时。
因此他有24 - 19 = <<24-19=5>>5个小时的空闲时间。