
    Calculate the total wall surface area requiring antimicrobial coating in a cubic isolation room, given the room's edge length in meters, to maintain proper infection control standards. The calculation should exclude the floor and ceiling surfaces, focusing only on the four vertical walls that need regular sterilization.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area requiring antimicrobial coating in a cubic isolation room, given the room's edge length in meters, to maintain proper infection control standards. The calculation should exclude the floor and ceiling surfaces, focusing only on the four vertical walls that need regular sterilization.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area requiring antimicrobial coating in a cubic isolation room, given the room's edge length in meters, to maintain proper infection control standards. The calculation should exclude the floor and ceiling surfaces, focusing only on the four vertical walls that need regular sterilization.
    

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