At this time, the second car has four more people than the first car, so there are 32 people in the second car and 28 people in the first car.

(60-4)/2=28

28+4=32

There are not enough seats in the second carriage? Four more people were transferred to the first carriage.

At this time, there are 36 people in the second carriage and 24 people in the first carriage.

The teacher found too many students in the first carriage? Just transfer half to the second car.

At this time, there are 12 people in the second car and 48 people in the first car.

reduction method