conversations.from: human
conversations.value: Explain how to solve this math problem: John is a hack author.  He writes a book every 2 months.  He has been writing for 20 years and has earned an average of $30,000 per book.  How much money has he made writing?
conversations.from: assistant
conversations.value: He writes 12/2=6 books a year
  That means he has written 6*20=120 books
  So he has made 120*30,000=$3,600,000 from writing