conversations.from: human
conversations.value: Tim drinks 2 bottles that are each 1.5 quarts and an additional 20 ounces a day.  How much water does he drink a week?
  How to solve this?
conversations.from: assistant
conversations.value: The bottles are 1.5*32=48 ounces
  So he drinks 48*2=96 ounces from the bottles
  So in total he drank 96+20=116 ounces a day
  116*7=812 ounces a week