A total of 32 teams participated in the final stage of the 2010 World Cup in South Africa, and they were divided into 8 groups on average for group round-robin matches. It was stipulated that every two teams in the group had to play one game, and how many games were played in the group match.
2010年南非世界杯决赛阶段共有32支球队参赛，平均分成8组进行小组循环赛，规定小组内每两支球队之间都要赛一场，小组赛一共赛了多少场．
<gadget id="calculator">32 / 8</gadget>
<output>4</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

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

<gadget id="calculator">6 * 8</gadget>
<output>48</output>

<result>48</result>