conversations.from: human
conversations.value: Macey saves to buy herself a shirt that costs $3. She was able to save $1.50 already. How many weeks does she need to save for the remaining amount if she saves $0.50 per week?
  Solve it.
conversations.from: assistant
conversations.value: Macey needs to save $3 - $1.50 = $1.50 more for the shirt.
  So she needs $1.50/$0.50 = 3 more weeks to save for the remaining amount.