Imagine that you are the porn-business startupper. You have a great idea of the show with girls stripping in the fountains. But the main problem, that the money has start falling to your hands from the sky, and you are concentrated only on calculating dollars... So, in this game, you must calculate in your head the total sum of coins, that you see on the screen. Of course, every correct result makes you closer to your success in business! But every wrong - is a good calculations training for adult business!