prompt: Luigi bought four pizzas for $80.  Each pizza was cut into 5 pieces.  How much did each piece of pizza cost, in dollars?
messages.content: Luigi bought four pizzas for $80.  Each pizza was cut into 5 pieces.  How much did each piece of pizza cost, in dollars?
messages.role: user
messages.content: 4 pizzas at $80 per pizza is $80/4 = $<<80/4=20>>20 per pizza.
  If there were 5 pieces per pizza, then each piece was worth $20/5 = $<<20/5=4>>4.
  #### 4
messages.role: assistant