Do you add all dice for 3 of a kind?

Do you add all dice for 3 of a kind? Sixes: Sum of the sixes displayed at time the score is entered. would receive a score of 12. Three of a kind: Sum of all of the dice provided three of them are the same; zero otherwise.

Sixes: Sum of the sixes displayed at time the score is entered. would receive a score of 12. Three of a kind: Sum of all of the dice provided three of them are the same; zero otherwise.