There are 8 players participating in a table tennis singles match. If every 2 players play one game, how many games should be arranged in total?
有8名运动员参加乒乓球单打比赛，如果每2人打一场，一共要安排多少场比赛．
<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">7 / 2</gadget>
<output>7/2 = around 3.5</output>

<gadget id="calculator">8 * (7/2)</gadget>
<output>28</output>

<result>28</result>