The width of a rectangle is 0.625 of its length. If the width increases by 7cm and the length decreases by 5cm, the rectangle will become a square. Find the area of the original rectangle

The width of a rectangle is 0.625 of its length. If the width increases by 7cm and the length decreases by 5cm, the rectangle will become a square. Find the area of the original rectangle

0.625=5/8
7+5=12
12 / (8-5) * 8 = 32 --- long
32-12 = 20 --- width
32 * 20 = 640 --- area