conversations.from: human
conversations.value: Angela's contribution is triple Brittany's contribution, and Brittany's contribution is triple Niraj's. If Niraj contributed $80, how much did everyone contribute in total?
  Solve it.
conversations.from: assistant
conversations.value: Brittany contributed 80*3 = 240 dollars.
  Angela contributed 240*3 = 720 dollars.
  Everyone contributed 80+240+720 = 1040 dollars in total.