conversations.from: human
conversations.value: Elon has 10 more teslas than Sam who has half the number of teslas as Chris. Chris has 6 teslas. How many teslas does Elon have?
  Solve it.
conversations.from: assistant
conversations.value: Sam has half the number of Chris: 6/2=3 teslas
  Elon has 10 more than Sam: 10+3=13 teslas