prompt: Raul had $87 to spare so he decided to go to the bookshop. Raul bought 8 comics, each of which cost $4. How much money does Raul have left?
messages.content: Raul had $87 to spare so he decided to go to the bookshop. Raul bought 8 comics, each of which cost $4. How much money does Raul have left?
messages.role: user
messages.content: He spent 8 comics × $4/comic = $<<8*4=32>>32 on comics.
  Raul has $87 - $32 = $<<87-32=55>>55 left.
  #### 55
messages.role: assistant