How many number sets show repetition if you throw 3 dice

If you throw a 6 sided dice/die three times, then you have a total of 216 combinations of sets you can get. Out of those 216 sets, how many show a repeated number? such as...

{1,1,2},{1,6,6},{4,4,4},{5,2,2}....

discrete math..

total ways - ways w/o repetition

= 6*6*6 - 6*5*4 = 96 <-------

qed

120