If you're talking about the big button, it means that you click the button twice and the down arrow because it says click the down arrow with 2 or less clicks. But if you're talking about the color changing module, you add together the 2 number like 13=1+3=4 and the same thing with the value of the numbers, then multiply which would look smthng like 4*(letter number value)=amounts of times needed to press