The meaning of "to be x years out from putting two and two together"

During a conversation someone said that he is x years out from putting two and two together with gadolinium poisoning. What is the meaning of "to be x years out from"? I know the meaning of "putting two and two together" ... Thanks!

Solution 1:

Based upon your comment of another answer, I'm not sure you're parsing the question properly:

I'm x years out

is to imply you're a number (x) many years away from accomplishing:

putting 2 and 2 together with

Making a basic understanding of ...

[The topic of] gadolinium poisoning.

He's not saying that he has been poisoned with gadolinium, rather that he's studying people who have.