conversations.from: human
conversations.value: Find the answer to the math problem: There were 28 students inside a bus before stopping at an intersection. After stopping at an intersection, there were 58 students on the bus. What's 40% of the number of students who entered the bus at the intermediate stop?
conversations.from: assistant
conversations.value: At the intermediate stop, 58-28=30 students entered the bus before it stopped at the intersection.
  40% of the number of students who entered the bus at the intermediate stop is 40/100*30=12