The ancient ways of doing math are WAY more powerful than we are led to believe. Here below is 6m 8s of insight and knowledge by Michael S. Schneider, that will show you a "new" (to you) way to do some math.
No doubt, one imagines it's all just a convenient "coink-e-dink" as to why we never got taught this stuff in skool [sic].
In classic, true "trust but verify" fashion (as borrowed famously by former main man RayGun Ronnie from zee Russians), Bob's ass tried some of this at home, and it sure as shit works. Problem solved.
Potential crisis scenario now averted.