prompt: John Smith buys 3 cakes for $12 each and splits the cost with his brother.  How much did he pay?
messages.content: John Smith buys 3 cakes for $12 each and splits the cost with his brother.  How much did he pay?
messages.role: user
messages.content: The cakes cost 3*12=$<<3*12=36>>36
  So he paid 36/2=$<<36/2=18>>18
  #### 18
messages.role: assistant