conversations.from: human
conversations.value: In five years Sam will be 3 times as old as Drew. If Drew is currently 12 years old, how old is Sam?
  Solve it.
conversations.from: assistant
conversations.value: In five years Drew will be 12+5=17 years old.
  In five years Sam will be 3(17)=51 years old.
  Sam is currently 51-5=46 years old.