conversations.from: human
conversations.value: Find the answer to this math problem: It takes Roque two hours to walk to work and one hour to ride his bike to work. Roque walks to and from work three times a week and rides his bike to and from work twice a week. How many hours in total does he take to get to and from work a week with walking and biking?
conversations.from: assistant
conversations.value: Roque takes 2*3 = 6 hours a week to walk to work.
  Roque takes 6*2 = 12 hours a week to walk to and from work.
  Roque takes 1*2 = 2 hours a week to bike to work.
  Roque takes 2*2 = 4 hours a week to bike to and from work.
  In total, Roque takes 12+4 = 16 hour a week to go to and from work.