There are 56 players in a table tennis singles competition in a certain school. If knockout is adopted, the champion will be produced in the end. So how many games will there be in total?
某校进行乒乓球单打比赛，参赛选手共56人，如果采用淘汰赛，最后产生冠军．那么一共要进行多少场比赛？
<gadget id="calculator">28 + 14 + 7 + 3 + 2 + 1</gadget>
<output>55</output>

<result>55</result>