
    Design an algorithm to calculate the total skin contact area for a cubic biosensor device given its edge length, which is crucial for determining optimal signal detection efficiency in wearable health monitoring systems. The contact area must account for all six faces of the cubic sensor to ensure comprehensive vital sign monitoring coverage.
    

    
def surfacearea_cube(l):
    """
    Design an algorithm to calculate the total skin contact area for a cubic biosensor device given its edge length, which is crucial for determining optimal signal detection efficiency in wearable health monitoring systems. The contact area must account for all six faces of the cubic sensor to ensure comprehensive vital sign monitoring coverage.
    

    """
def surfacearea_cube(l):
    """
    Design an algorithm to calculate the total skin contact area for a cubic biosensor device given its edge length, which is crucial for determining optimal signal detection efficiency in wearable health monitoring systems. The contact area must account for all six faces of the cubic sensor to ensure comprehensive vital sign monitoring coverage.
    

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