It's only logical because that's what overwhelmingly likely what you grew up using. There are duodecimal finger counting systems. (Counting to 12 isn't even all that impressive, considering counting each finger as a binary digit results in 1024.)
Also, "9 dozen" is the same in either base. "10 dozen" would become "ᘔ dozen", "11 dozen" to "3 dozen", and "12 dozen" to "10 dozen".
Finally, a dozen dozen is a gross and a dozen gross is a great gross, which at 1728 would be a likely replacement for "ton".
Also, "9 dozen" is the same in either base. "10 dozen" would become "ᘔ dozen", "11 dozen" to "3 dozen", and "12 dozen" to "10 dozen".
Finally, a dozen dozen is a gross and a dozen gross is a great gross, which at 1728 would be a likely replacement for "ton".