Evaluate the Formula for the Given Values of the Variables $n$

Multiple Choice

Evaluate the formula for the given values of the variables.
-When all $n$ teams in a league play every other team twice, a total of $N$ games are played, where $\mathrm{N}=\mathrm{n}^{2}$ - $\mathrm{n}$ . A basketball league has 12 teams and all teams play each other twice. How many games are played?

A) 12 games
B) 156 games
C) 36 games
D) 132 games