Innumeracy
When you ask someone “What time is it?”, you rarely hear “one thirty three”. But why? Perhaps they haven’t spent the time needed to keep their watch accurate to the minute. And perhaps they judge that “one thirty” is all the precision you really care about.
Yet when introduced to the volume of a ball, one hears it is 4/3 pi r3, rather than it is “one half the volume of the box the ball came in” (1/2 d3).