Eddie, thrown in a slab of old concrete to make up the difference.............well guess that is too late to do, but this works.
Back in the old days at the hardware the calculations were length x width x depth = cubic feet. The bags then at 90 pounds would do 12 x 12 x 9 inches deep.
Back in the old days at the hardware the calculations were length x width x depth = cubic feet. The bags then at 90 pounds would do 12 x 12 x 9 inches deep.