Your simple mathematical observation is challenging to the Common Core math program graduates.
They will need to know if any of them were carrying umbrellas in order to figure it out.
As a side note. Ted might prefer the smaller more private setting of a restroom, or closet, or phone booth. Makes crowd look larger.
From what I’ve read, Ted prefers to keep closets for assignations with his paramours, and for high-level apologies to Dr. Ben Carson.