prompt: John buys 2 shirts. The first shirt costs $6 more than the second shirt. If the first shirt costs $15, how much, in dollars, did the shirts cost in total?
messages.content: John buys 2 shirts. The first shirt costs $6 more than the second shirt. If the first shirt costs $15, how much, in dollars, did the shirts cost in total?
messages.role: user
messages.content: The second shirt is 15-6=<<15-6=9>>9 dollars.
  Both shirts cost 15+9=<<15+9=24>>24 dollars.
  #### 24
messages.role: assistant