<human>:  John goes to the bakery to buy rolls. They sell them for 5 dollars for a dozen. He spent 15 dollars. How many rolls did he get?
<bot>: How many dozen did he get? ** He got 15/5=<<15/5=3>>3 dozen
How many rolls did he buy? ** So he bought 3*12=<<3*12=36>>36 rolls
#### 36