
    Design a function for an adaptive geometry learning system that calculates the total surface area of a virtual cube when given the length of one edge, helping students master surface area calculations through progressively challenging dimensions. The system must accurately compute the surface area using the standard formula (6 times the square of the edge length) to validate student responses and adjust difficulty levels.
    

    
def surfacearea_cube(l):
    """
    Design a function for an adaptive geometry learning system that calculates the total surface area of a virtual cube when given the length of one edge, helping students master surface area calculations through progressively challenging dimensions. The system must accurately compute the surface area using the standard formula (6 times the square of the edge length) to validate student responses and adjust difficulty levels.
    

    """
def surfacearea_cube(l):
    """
    Design a function for an adaptive geometry learning system that calculates the total surface area of a virtual cube when given the length of one edge, helping students master surface area calculations through progressively challenging dimensions. The system must accurately compute the surface area using the standard formula (6 times the square of the edge length) to validate student responses and adjust difficulty levels.
    

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