Google may be starting to show AI Overviews when you ask for a currency exchange. I can't seem to fully replicate this but others are starting to see this.
What you'd normally see is this answer box, with the exchange rate calculation between one and the other currency:
Here is what Radu Oncescu sees on X:
Here are more screenshots:
I was able to replicate an Audio Overview for this:
I just think it is super weird to have AI Overviews for simple math questions.
Forum discussion at X.