12. In the figure, there are 3 squares of different sizes: large, medium, and small. The area of the large square is 32 more than the area of the medium square, and the perimeter of the large square is 16 more than the perimeter of the small square. What is the area of the large square?
100
【Answer】The area of the large square is 32 larger than that of the medium square, so the area of the large square is 64 larger than that of the small square; and the side length of the square is 4 more than that of the small square; therefore, the area of the large square is 100