Sometimes, people use a colloquial phrase of "it figures" or "go figure", which is kind of an acknowledgement of the correctness of a fact, or something like that. It's also sometimes abbreviated even further to just "Figures" or "Go fig", depending on the speaker. 

Examples of the phrase in context:

> **It figures**, this site doesn't have a question about this phrase yet.
>
**Go figure**, the answer was right under my nose the entire time.

What is the origin of this phrase, and what exactly does it mean? What is being figured, and into what?