prompt: Charles bought 20 papers to draw. Today Charles drew 6 pictures. Yesterday he drew 6 pictures before going to work and some pictures when he came back. How many pictures did Charles draw when he came back from work knowing that he has 2 papers left?
messages.content: Charles bought 20 papers to draw. Today Charles drew 6 pictures. Yesterday he drew 6 pictures before going to work and some pictures when he came back. How many pictures did Charles draw when he came back from work knowing that he has 2 papers left?
messages.role: user
messages.content: Charles drew 6 + 6 = <<6+6=12>>12 pictures.
  He has 20 - 12 = <<20-12=8>>8 papers left.
  So Charles drew when he came back from work 8 - 2 = <<8-2=6>>6 pictures.
  #### 6
messages.role: assistant