prompt: John plays at the arcade for 3 hours.  He uses $.50 for every 6 minutes.  How much money did he spend, in dollars?
messages.content: John plays at the arcade for 3 hours.  He uses $.50 for every 6 minutes.  How much money did he spend, in dollars?
messages.role: user
messages.content: He was at the arcade for 3*60=<<3*60=180>>180 minutes
  So he put coins in 180/6=<<180/6=30>>30 times
  That means he spent 30*.5=$<<30*.5=15>>15
  #### 15
messages.role: assistant