Grow A Gyrus

In the game "Grow Gyrus," you have to solve simple mathematical puzzles. The goal of the game is simple, you need to arrive at the final number from the starting number using only two mathematical functions. For example, addition and multiplication, whatever works. Sound easy !? Try and put that brain to work! There are three levels of difficulty: "Easy", "Normal" and "CyberBrain" for the most developed brains.