conversations.from: human
conversations.value: Four friends ordered four pizzas for a total of 64 dollars. If two of the pizzas cost 30 dollars, how much did each of the other two pizzas cost if they cost the same amount?
conversations.from: assistant
conversations.value: The other two pizzas cost 64-30 = 34 dollars.
  Each of the other two pizzas cost 34/2 = 17 dollars each.