A and B are playing table tennis, two out of three games. In each game, the first to score 11 points and the opponent has less than 10 points wins; The sum of the scores of both A and B is 30 points. When the order of the scores is not counted, how many situations are there in the scores of the three rounds?
甲，乙进行乒乓球比赛，三局两胜制．每局比赛中，先得11分且对方少于10分者胜；10平多得2分者胜．甲、乙二人得分总和都是30分，在不计比分先后顺序时，三局的比分共有多少种情况．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>