conversations.from: human
conversations.value: Whitney bought 9 books about whales and 7 books about fish. She also bought 3 magazines. Each book cost $11 and each magazine cost $1. How much did Whitney spend in all?
  Can you solve this problem?
conversations.from: assistant
conversations.value: The total number of books is 9 books + 7 books = 16 books.
  The cost of the books is $11/book × 16 books = $176.
  The cost of the magazines is $1/magazine × 3 magazines = $3.
  Whitney spent $3 + $176 = $179 in all.