Column addition is a way of adding numbers together. It's helpful when you're adding two-digit or three-digit numbers together. When you do column addition, you lay out the numbers you are adding ...

Following along are 3, 5, 2, 4, 9, and 6, before the first double-digit number, the aforementioned 76. Repeating digits seem popular in logos; 33 comes in at 14th, and 99 at 19th, for instance.