conversations.from: human
conversations.value: Brittany and her mom go to the museum. The cost of admission is $12 for adults and $10 for children. Brittany's mom gives the cashier money for 1 child ticket and 1 adult ticket. If she received $8 in change, how much money, in dollars, did she give the cashier?
  Solve it.
conversations.from: assistant
conversations.value: The total cost of the tickets is 12+10=22 dollars.
  Brittany's mom gave the cashier 22+8=30 dollars.