What are the dimensions of the wall clock

Question

the width of a wall clock is 4 inches less than length. 

The outer frame that surrounds this clock is 2 inches wide and has an area of 240 square inches. 

What are the dimensions of this clock? 

Answer 1

Please check that the details are written correctly -- the area of 240 sq in, is that the area of the frame or the area of the clock?