There are 4 teams in the Chinese team in the World Cup, and there is a match between every 2 teams. How many matches will the Chinese team play in the group stage?
世界杯足球赛，中国队所在的小组共有4支球队，每2支球队之间都进行一场比赛．中国队在小组赛中要进行多少场比赛．
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">4 * (3/2)</gadget>
<output>6</output>

<result>6</result>