The chess club of the school held a Go competition. A total of 8 students from the sixth grade participated. If there is a game between every two students, how many games will there be in total?
学校棋类社团举办了一场围棋比赛，六年级共有8名同学参加．如果每两名同学之间都进行一场比赛，一共要比赛多少场？
<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>