Yeah, Math is hard. Or as Joe would call it, Arithmetic. That is why they had him repeat the 3rd grade.
Here's another one. (it's weird to not hear him sounding like he's on his death bed)
https://www.youtube.com/watch?v=-gOGktYGAvU
My Dad was on 3 different meds. All they do is mask the destruction. He eventually died when his brain no longer balanced his potassium levels. The brain controls everything but Joe Biden.