conversations.from: human
conversations.value: The ratio of boys to girls in a classroom is 3:5. If there are 4 more girls than boys, how many students are in the classroom?
conversations.from: assistant
conversations.value: Since the ratio of boys to girls is 3:5, then the class is divided into 3 + 5 = 8 parts.
  The girls have 5 - 3 = 2 parts more than the boys.
  Since 2 parts are equal to 4, then 1 part is equal to 4/2 = 2 students.
  Hence, there are 8 parts x 2 = 16 students.