
    Calculate the total wall surface area that requires sanitization for a standard isolation unit in the emergency department, given the unit's width in feet, to maintain proper infection control protocols and ensure patient safety. The isolation unit is a perfect cube, with equal length walls, and the calculation should exclude the floor and ceiling surfaces.
    

    
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that requires sanitization for a standard isolation unit in the emergency department, given the unit's width in feet, to maintain proper infection control protocols and ensure patient safety. The isolation unit is a perfect cube, with equal length walls, and the calculation should exclude the floor and ceiling surfaces.
    

    """
def lateralsurface_cube(l):
    """
    Calculate the total wall surface area that requires sanitization for a standard isolation unit in the emergency department, given the unit's width in feet, to maintain proper infection control protocols and ensure patient safety. The isolation unit is a perfect cube, with equal length walls, and the calculation should exclude the floor and ceiling surfaces.
    

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