conversations.from: human
conversations.value: Amber worked for 12 hours last weekend. Armand worked one-third as long and Ella worked twice as long. How many hours did the 3 people work in total?
  Find the solution.
conversations.from: assistant
conversations.value: Armand = (1/3) * 12 = 4 hours
  Ella = 2 * 12 = 24 hours
  Total hours = 12 + 4 + 24 = 40 hours
  They worked a total of 40 hours.