If one bus leaves every half-hour, then during one hour, there are 1 + 1 = <<1+1=2>>2 buses that leave the station.

During 5 days 2 * 12 * 5 = 120 buses leave the station.

# Answer

120
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
At a bus station, a bus leaves every half-hour for 12 hours a day. How many buses leave the station for 5 days?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
120
At a bus station, a bus leaves every half-hour for 12 hours a day. How many buses leave the station for 5 days?
train