Jack orders 3 sandwiches that cost $5 each.  He pays with a $20 bill.  How much does he get in change? Let's think step by step and output the final answer after "####".
user
The cost was 3*5=$<<3*5=15>>15.
So he got 20-15=$<<20-15=5>>5 in change.
#### 5
Jack orders 3 sandwiches that cost $5 each.  He pays with a $20 bill.  How much does he get in change?
train