conversations.from: human
conversations.value: How many girls are in the school if 40% of a school population is made up of 240 boys?
  Find the solution.
conversations.from: assistant
conversations.value: 100% - 40% = 60% of the school's population are girls.
  Since 40% is equal to 240 students, then 1% is equal to 240/40 = 6 students.
  Hence, there are 60 x 6 = 360 girls.