4=W on W.

I don't get it.

If I could figure W on W, it would help

The statement "4=W on W" is an equation or a puzzle. It is not clear what it means without further context or explanation. It seems like a form of a puzzle or a cryptic code where numbers or letters are used to represent something else. In order to understand what this specific equation means, we would need more information about the context or any additional clues that might be given.

If you have more details about the puzzle or equation, please provide them so that I can assist you further in understanding its meaning.