prompt: Tom can type 90 words a minute.  A page is 450 words.  How long would it take him to type out 10 pages?
messages.content: Tom can type 90 words a minute.  A page is 450 words.  How long would it take him to type out 10 pages?
messages.role: user
messages.content: He can type out 1 page in 450/90=<<450/90=5>>5 minutes
  So it would take 5*10=<<5*10=50>>50 minutes
  #### 50
messages.role: assistant