conversations.from: human
conversations.value: Find a solution for this math problem: Carla's brush is 12 inches long. If Carmen's brush is 50% longer than Carla's brush, how long is Carmen's brush in centimeters? (There are 2.5 centimeters per inch.)
conversations.from: assistant
conversations.value: First find the length of Carmen's brush in inches: 150% * 12 inches = 18 inches
  Then convert the length from inches to centimeters: 18 inches * 2.5 centimeters/inch = 45 centimeters