A water line beneath a street has been repaired. A trench through the asphalt 4` wide and 16` long is required to repair the waterline. How many cubic feet of asphalt material is needed to patch the trench if it is 4″ deep?

A water line beneath a street has been repaired. A trench through the asphalt 4` wide and 16` long is required to repair the waterline. How many cubic feet of asphalt material is needed to patch the trench if it is 4″ deep?