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

### Instruction:
 在一个公交车站，每隔半小时就有一辆公交车开出，每天开放12小时。连续5天，有多少辆公交车离开车站？


### Response:
 每天有12小时 * 5天 = <<12*5=60>>60小时。
60小时每0.5小时 = <<60/0.5=120>>120辆公交车。