I wonder, why do people got to gym. How often do they need to lift barbell or run in real life? Math is workout for the brains and also teaches how to analyse

I wonder, why do people got to gym. How often do they need to lift barbell or run in real life? Math is workout for the brains and also teaches how to analyse and solve problems. Maybe that's just a useless skill, what do I know, I was good at math.