conversations.from: human
conversations.value: Can you walk me through the solution of: Elmo has 3 times as many books as his sister, Laura. Laura has twice as many books as her brother, Stu. If Elmo has 24 books, how many books does Stu have?
conversations.from: assistant
conversations.value: Laura has 24/3=8 books.
  Stu has 8/2=4 books.