She: Help me figure out how much potting soil I need to fill these two pots.
He: (Using high school geometry, provides a number.)
She: That's not right.
He: What did I do wrong?
She: It can't be right. I don't understand how you did it so I can't tell you why it's wrong.
Tom is now listening to What Do I Got Left
https://open.spotify.com/track/1zePLDdNl8TzS6f3oZUd9q