
    Write a function to calculate the total surface area that needs to be monitored for a bank's cubic security vault given the length of one side, to ensure complete surveillance coverage for detecting potential security breaches. The monitoring system must account for all six faces of the vault, and the surface area calculation will determine the number of sensors needed for comprehensive security coverage.
    

    
def surfacearea_cube(l):
    """
    Write a function to calculate the total surface area that needs to be monitored for a bank's cubic security vault given the length of one side, to ensure complete surveillance coverage for detecting potential security breaches. The monitoring system must account for all six faces of the vault, and the surface area calculation will determine the number of sensors needed for comprehensive security coverage.
    

    """
def surfacearea_cube(l):
    """
    Write a function to calculate the total surface area that needs to be monitored for a bank's cubic security vault given the length of one side, to ensure complete surveillance coverage for detecting potential security breaches. The monitoring system must account for all six faces of the vault, and the surface area calculation will determine the number of sensors needed for comprehensive security coverage.
    

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