A total of 8 men's table tennis men's singles competitions in the whole school entered the finals. Every two people will play one game. How many games will there be in total?
全校乒乓球男子单打比赛共有8人进入决赛，每两人要赛一场，一共要赛多少场．
<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>