Dozen.
A dozen consists of twelve items in a set. However, if we compile twelve dozens of anything we will get 1 gross. Therefore, twelve dozen is equal to 1 gross.
Just as 12 is called a dozen, 144 is called a gross.
twelve ,12
150
a dozen
1,2,3,4,6,12
A dozen
Number of extra items
i think what set the ceremony of twelve is the last ceremony and they are given an assignment.
laws
The mean value.
Rome's first set of written laws is called The Twelve Tables.