My wages and salaries gets tallied as $205,246, but my 3 W2s really only add up to $202,646, so it's wrongly inflated by $2,600. Why?

Did you have Dependent Care Benefits in Box 10?  Did you have excess 401(K) Contributions?

Thank you Rachel W. It was the Dependent care benefit. Very thankful to you for clearing that up.

You're welcome!

Solved