
    Calculate the total surface area requiring weather-protective coating on the four vertical sides of a delivery truck's cubic cargo compartment, given the length of its edge in meters, to ensure proper insulation against varying weather conditions during transport routes. The coating must cover all four lateral faces uniformly, excluding the top and bottom surfaces of the cargo area.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total surface area requiring weather-protective coating on the four vertical sides of a delivery truck's cubic cargo compartment, given the length of its edge in meters, to ensure proper insulation against varying weather conditions during transport routes. The coating must cover all four lateral faces uniformly, excluding the top and bottom surfaces of the cargo area.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total surface area requiring weather-protective coating on the four vertical sides of a delivery truck's cubic cargo compartment, given the length of its edge in meters, to ensure proper insulation against varying weather conditions during transport routes. The coating must cover all four lateral faces uniformly, excluding the top and bottom surfaces of the cargo area.
    

    """
    LSA = 4 * (l * l)
    return LSA