prompt: Bob orders a pizza with 8 slices.  He eats half of it and each slice was 300 calories.  How many calories did he eat?
messages.content: Bob orders a pizza with 8 slices.  He eats half of it and each slice was 300 calories.  How many calories did he eat?
messages.role: user
messages.content: He ate 8/2=<<8/2=4>>4 slices
  So he ate 4*300=<<4*300=1200>>1200 calories
  #### 1200
messages.role: assistant