In the 2013-2014 season, there are 16 teams in the knockout round of the European Football Championship. Two pairs of pairs are used for two rounds of knockout rounds. In the final championship and runner-up finals, how many games will be played in total?
2013-2014赛季欧洲足球冠军淘汰赛共有16支队伍，采取两两配对进行两回合淘汰赛，最后冠亚军决赛一场决胜负，则一共要进行多少场比赛．
<gadget id="calculator">16 - 1</gadget>
<output>15</output>

<result>15</result>