A composite figure has three congruent triangles removed from it.

A square and a rectangle. The square is 8 feet by 8 feet, and the rectangle is 16 feet by 8 feet. 3 triangles are cut out of the figure. The triangles have a base of 8 feet and height of 8 feet.
What is the area of the shaded region?
96 feet squared
128 feet squared
160 feet squared
192 feet squared