
    Calculate the total surface area required for applying temperature-control coating on a cubic cargo container, given the length of its edge in meters, to maintain optimal conditions during transport. The coating must cover all six sides of the container uniformly, and the container is perfectly cubic in shape.
    

    
def surfacearea_cube(l):
    """
    Calculate the total surface area required for applying temperature-control coating on a cubic cargo container, given the length of its edge in meters, to maintain optimal conditions during transport. The coating must cover all six sides of the container uniformly, and the container is perfectly cubic in shape.
    

    """
def surfacearea_cube(l):
    """
    Calculate the total surface area required for applying temperature-control coating on a cubic cargo container, given the length of its edge in meters, to maintain optimal conditions during transport. The coating must cover all six sides of the container uniformly, and the container is perfectly cubic in shape.
    

    """
    surfacearea = 6 * l * l
    return surfacearea