numerousy
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!
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