conversations.from: human
conversations.value: Can you walk me through the solution of: Julia has $40. She spends half of her money to buy a new game for her phone. She spends a quarter of what she has left on in-game purchases. How much money does she have left?
conversations.from: assistant
conversations.value: Julia spend $40 / 2 = $20 on the game.
  After buying the game, she has $40 - $20 = $20 left.
  She spent $20 / 4 = $5 on in-game purchases.
  She has $20 - $5 = $15 left.