prompt: Mike spent 37 dollars on notebooks.  He bought a total of 12 notebooks.  He bought 3 red notebooks at 4 dollars each, 2 green notebooks at 2 dollars each, and the rest were blue notebooks.  How much does each blue notebook cost?
messages.content: Mike spent 37 dollars on notebooks.  He bought a total of 12 notebooks.  He bought 3 red notebooks at 4 dollars each, 2 green notebooks at 2 dollars each, and the rest were blue notebooks.  How much does each blue notebook cost?
messages.role: user
messages.content: He bought 12-3-2=<<12-3-2=7>>7 blue notebooks.
  He paid 3*$4=$<<3*4=12>>12 for red notebooks
  He paid 2*$2=$<<2*2=4>>4 for green notebooks
  He spent $37-$12-$4=$<<37-12-4=21>>21 on blue notebooks.
  Each blue notebook costs $21/7=$<<21/7=3>>3.
  #### 3
messages.role: assistant