def surface_area(length: int, width: int, height: int) -> int:
    """Calculate the surface area of a gift given its dimensions

    Args:
        length (int): The length of the gift
        width (int): The width of the gift
        height (int): The height of the gift

    Returns:
        int: The surface area of the gift
    """

    return (2 * length * width) + (2 * width * height) + (2 * height * length)