32. All students in the school are divided into two teams to participate in the school's radio gymnastics competition. They form two solid square formations, designated as Formation A and Formation B, where the number of people on each side of Formation A equals 8. If the two teams merge, they can form a hollow square Formation C, with the number of people on each side of the outermost layer of Formation C being 4 more than the number of people on each side of the outermost layer of Formation B. The number of people in Formation A is exactly enough to fill the hollow part of Formation C. The total number of students participating in the radio gymnastics competition is. $\qquad$
answer: 260