Six table tennis players compete in singles. First, they will have a knockout match. The winning players will then have a round-robin match (every two players will have a match), to determine the champion and runner-up. How many games will be played in total.
6名乒乓球运动员进行单打比赛，先是进行淘汰赛，获胜的运动员再进行循环赛(每两人都要赛一场)，决出冠、亚军．整个比赛共要进行多少场．
<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">3 * 1</gadget>
<output>3</output>

<gadget id="calculator">3 + 3</gadget>
<output>6</output>

<result>6</result>