conversations.from: human
conversations.value: Please show me the solution for: Hunter counted 50 cars packed in their school parking lot when entering class one morning. During the first break, he counted 20 more cars in the parking lot. When he got out of class for the lunch break, he realized that 1/2 the number of cars in the parking lot had gone. What's the total number of cars he counted during lunch break?
conversations.from: assistant
conversations.value: During the first break, he saw 20 more cars in the parking lot, which totals 50 + 20 = 70 cars
  When going for the lunch break, he counted and realized only half the number of cars were present, which is 1/2 * 70 = 35 cars.