prompt: John used to buy 4 coffees a day for $2 each.  They raised the price by 50% so he cut the number of coffees he drinks in half.  How much money does he save per day compared to what he used to spend?
messages.content: John used to buy 4 coffees a day for $2 each.  They raised the price by 50% so he cut the number of coffees he drinks in half.  How much money does he save per day compared to what he used to spend?
messages.role: user
messages.content: He now buys 4/2=<<4/2=2>>2 coffees
  The new price is 2*.5=$<<2*.5=1>>1 more than the old price
  So he now pays 2+1=$<<2+1=3>>3 per coffee
  So he spends 3*2=$<<3*2=6>>6
  He used to spend 4*2=$<<4*2=8>>8
  So he saves 8-6=$<<8-6=2>>2 per day
  #### 2
messages.role: assistant