conversations.from: human
conversations.value: Solve the math problem: There are 60 passengers on a bus. Children make up 25% of the bus riders. How many adults are on the bus?
conversations.from: assistant
conversations.value: The number of children on the bus is 60 passengers * 25% = 15 passengers.
  The number of adults on the bus is 60 passengers - 15 passengers = 45 passengers.