conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: If it takes 20 minutes to paint a house, how many houses can you paint in 3 hours?
conversations.from: assistant
conversations.value: There are 3 hours * 60 minutes/hour =180 minutes in 3 hours
  You can paint 180 minutes / 20 houses/minute = 9 houses in 3 hours.