a circular swimming pool has a diameter of 24 feet the sides

a circular swimming pool has a diameter of 24 feet, the sides are 5 feet high and the depth of the water is 4 feet. how much work is required to pump all of the water is 62.4 pounds per cubuie force Express your answer in foot-pounds

dW = ?gAx dx ??g = 62.5 lb/ft