conversations.from: human
conversations.value: Break down this math problem: 5,000 people live in a small town. 2,000 males live in that town and the rest of the population are females. Thirty percent of the female population wears glasses. How many females wear glasses?
conversations.from: assistant
conversations.value: There are 5,000 - 2,000 = 3,000 females that lives in the town.
  Since thirty percent of the female population wears glasses, 30/100 * 3,000 = 900 females wear glasses.