prompt: Tim buys 3 dozen eggs.  Eggs cost $.50 each.  How much did he pay for eggs?
messages.content: Tim buys 3 dozen eggs.  Eggs cost $.50 each.  How much did he pay for eggs?
messages.role: user
messages.content: He bought 3*12=<<3*12=36>>36 eggs
  So they cost 36*.5=$<<36*.5=18>>18
  #### 18
messages.role: assistant