Why it worked
The video likely resonated due to the relatable "girl math" concept, which humorously highlights a common, albeit illogical, approach to spending and saving. The visual of a person dressed up on public transport adds an element of unexpectedness and visual interest.
Summary
The video shows a person dressed up, seemingly after a nice dinner, taking the subway home. On-screen text humorously labels this as "girl math," implying a contrast between spending a lot on a meal and opting for a budget-friendly commute.