conversations.from: human
conversations.value: Explain how to solve this math problem: Mr. John works at a shopping mall and receives a monthly income of $2000, but he spends approximately 5% of this amount on public transport to and from the mall in a month. How much will he have left after deducting his monthly transport fare from his income?
conversations.from: assistant
conversations.value: 5% of $2000 is (5/100)*$2000 = $100
  After removing his transport fare, he will have $2000-$100 = $1900 left