There are 16 players participating in a table tennis competition in a certain city. The competition adopts a single elimination system (that is, one athlete is eliminated in each game). How many games will be played in total to produce a champion.
某市举行乒乓球比赛共有16名运动员参加，比赛以单场淘汰制(即每场比赛淘汰1名运动员)，一共要进行多少场比赛才能产生冠军．
<gadget id="calculator">8 + 4 + 2 + 1</gadget>
<output>15</output>

<result>15</result>