You have a lot that measures 110′ x 70′. One side has a uniform elevation of -5.00, the other side has a uniform elevation of +4.50 the required elevation is -1.25 finish. How many yards need to come out?

You have a lot that measures 110′ x 70′. One side has a uniform elevation of -5.00, the other side has a uniform elevation of +4.50 the required elevation is -1.25 finish. How many yards need to come out?