Ah, unit conversions.
As in the old saying, "You give some people 2.54 centimeters they will
take 1.609 Kilometers every time!"
Really, why aren't automobile speedometers in standard units like
Remember the millihelen? That's the amount of feminine pulchritude
(beauty) that is necessary to launch one ship. (reference is Helen of
Troy, whose beauty launched a 1000 ships).
Christopher Columbus got 3000 miles/galleon in 1492!
Started with 3 galleons, returned with one ===used 2 galleons
traveled across the Atlantic and back to Europe ==`00 miles traveled
6000 miles/2 galleons = 3000 miles/galleon
of course a Spanish galleon was pretty expensive in those days!
Sorry, I could not resist