An ability to "understand, reason with, and apply mathematical and quantitative concepts in everyday life and work"
dat's gained by
studying your a** off to learn
large amounts of tedious arithmetic bu**s**t.
Just learning
simple "adding, subtracting, multiplication, and division" skills is generally adequate for financial navigating in da modern
world --- no need to overheat yer
brain or exhaust yer patience with numerousy research!