conversations.from: human
conversations.value: Josh’s mom gives him $20 to go shopping at the mall. He buys a hat for $10 and a pencil for $2. Then he buys four cookies. If each cookie costs $1.25, how much money does Josh have left?
conversations.from: assistant
conversations.value: After buying a hat, Josh has $20 - $10 = $10
  After buying a pencil, Josh has $10 - $2 = $8
  The total cost of cookies is 4 * $1.25 = $5
  After buying the cookies, Josh has $8 - $5 = $3