Is math troubling you? Having hard time multiplying large numbers? Try this teahnique, credit goes to mrlouisman over YouTube
Man, I can't stop laughing just by thinking the face you'll have when you watched it! Hope this got you . Sorry if it stimulate it, take it as a laughter. Ok, as an apology, here's a working one (its a simple equation):
I know, not quite useless...credit goes to mhghodsi.