
    Calculate the total wall surface area that requires antimicrobial coating in a cubical emergency room waiting zone, given the length of one wall in meters, to maintain proper infection control standards and determine optimal patient distribution. The wall surface area excludes the floor and ceiling, and will be used to estimate coating material requirements and maintenance schedules.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that requires antimicrobial coating in a cubical emergency room waiting zone, given the length of one wall in meters, to maintain proper infection control standards and determine optimal patient distribution. The wall surface area excludes the floor and ceiling, and will be used to estimate coating material requirements and maintenance schedules.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that requires antimicrobial coating in a cubical emergency room waiting zone, given the length of one wall in meters, to maintain proper infection control standards and determine optimal patient distribution. The wall surface area excludes the floor and ceiling, and will be used to estimate coating material requirements and maintenance schedules.
    

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