def boxDemonstration():
myBox = Box(2.5, 5, 7.5)
print("The box dimensions are h: {}, w: {}, l: {}".format(
myBox.getHeight(), myBox.getWidth(), myBox.getLength()))
print("The volume of the box is {} inches".format(myBox.calcVolume()))
print("The surface area of the box is {} inches.".format(
myBox.calcSurfaceArea()))
