John volunteers at a shelter twice a month for 3 hours at a time.  How many hours does he volunteer per year? Let's think step by step and output the final answer after "####".
user
He volunteers 2*12=<<2*12=24>>24 times a year
So he volunteers for 24*3=<<24*3=72>>72 hours
#### 72
John volunteers at a shelter twice a month for 3 hours at a time.  How many hours does he volunteer per year?
train