conversations.from: human
conversations.value: John decides to buy some birds.  He got 50 dollars from each of his 4 grandparents.  If each bird costs $20, how many wings did all the birds have?
  Find the solution.
conversations.from: assistant
conversations.value: He got 4*50=$200
  That means he was able to buy 200/20=10 birds
  Since each bird has 2 wings he got 10*2=20 wings