the formula for the volume of a pyramid is so that would mean we multiply the base length by the width and after that we multiply it by the height of the pyramid and after that we multiply it by or divide by 3 (you'll get the same end result). So now we apply that to the problem and we will multiply , so we multiply 1 by 3 so we get 3 and then multiply 3 by 4 and we have 12. Now we have 12 but were not done yet, after that we multiply 12 by and we have 4 which is the volume.