prompt: James buys 20 pounds of beef and half that much pork.  He uses 1.5 pounds of meat to make meals at his restaurant.  Each meal sells for $20.  How much money did he make?
messages.content: James buys 20 pounds of beef and half that much pork.  He uses 1.5 pounds of meat to make meals at his restaurant.  Each meal sells for $20.  How much money did he make?
messages.role: user
messages.content: He bought 20/2=<<20/2=10>>10 pounds of pork
  So he has 20+10=<<20+10=30>>30 pounds of meat
  That means he can make 30/1.5=<<30/1.5=20>>20 meals
  So he makes 20*20=$<<20*20=400>>400
  #### 400
messages.role: assistant