12. (6 points) Xiao Wang has 8 one-cent coins, 4 two-cent coins, 1 five-cent coin, and he wants to make 8 cents. There are $\qquad$ different ways to do this.
【Answer】Solution: (1) 8 1-cent coins,
(2) 4 2-cent coins,
(3) 2 1-cent coins, 3 2-cent coins,
(4) 4 1-cent coins, 2 2-cent coins,
(5) 6 1-cent coins, 1 2-cent coin,
(6) 3 1-cent coins, 1 5-cent coin,
(7) 1 1-cent coin, 1 2-cent coin, 1 5-cent coin;

Therefore, there are 7 different ways to make the combination;
The answer is: 7.