conversations.from: human
conversations.value: John gets a new EpiPen every 6 months.  They cost $500 and insurance covers 75%.  How much does he pay per year?
  Solve this problem.
conversations.from: assistant
conversations.value: He needs to buy 12/6=2 per year
  Insurance covers 500*.75=$375
  So he pays 500-375=$125
  So he pays 125*2=$250