An excavation is to be 4′ deep 300′ long 1’6″ wide at the bottom with the sides sloping up at a 1:1 ratio. How many cubic yards of material will be removed?

An excavation is to be 4′ deep 300′ long 1’6″ wide at the bottom with the sides sloping up at a 1:1 ratio. How many cubic yards of material will be removed?