prompt: John writes 20 pages a day.  How long will it take him to write 3 books that are 400 pages each?
messages.content: John writes 20 pages a day.  How long will it take him to write 3 books that are 400 pages each?
messages.role: user
messages.content: He wants to write 3*400=<<3*400=1200>>1200 pages
  So it will take him 1200/20=<<1200/20=60>>60 days
  #### 60
messages.role: assistant