I have a math problem I can not solve.If possible please show me how to achieve> ?

Question

The entire floor covers 7,329 square feet.The area of a rectangle can be found using the following

formula: Area (square feet) = Length (feet) X Width (feet).L = 110 feet.W = ½ x L.

1) 1,279 square feet

2) 2,329 square feet

3) 4,304 square feet

4) 6,050 square feet

Answer 1

110 * 55 = 6050

Answer 2

  

   The answer is  110 times 55 - 6,050 sq.ft.