conversations.from: human
conversations.value: Find the answer to this math problem: John took a test with 80 questions.  For the first 40 questions, she got 90% right.  For the next 40 questions, she gets 95% right.  How many total questions does she get right?
conversations.from: assistant
conversations.value: He gets 40*.9=36 questions right for the first part.
  For the second part, he gets 40*.95=38 questions right.
  So he gets a total of 36+38=74 questions right.