کلاس مکعب مستطیل

class RectangularPrism:
    def __init__(self, length, width, height):
        self.length = length
        self.width = width
        self.height = height

    def surface_area(self):
        return 2 * (self.length * self.width + self.width * self.height + self.height * self.length)

    def volume(self):
        return self.length * self.width * self.height

# Example usage:
prism = RectangularPrism(2, 3, 4)
print("Surface Area:", prism.surface_area())
print("Volume:", prism.volume())