The rectangle to the left is divided into 12 shapes. One of them is a rectangle labeled with #1 and the remaining 11 shapes are squares. The length of the side of each one of the shaded squares is 1 f

The rectangle to the left is divided into 12 shapes. One of them is a rectangle labeled with #1 and the remaining 11 shapes are squares. The length of the side of each one of the shaded squares is 1 ft. Find the area of the given rectangle.