The 19th FIFA World Cup will be held in ten stadiums in nine cities in South Africa on June 11, 2010. A total of 32 teams from all over the world will participate in the event. The 32 teams will be divided equally by drawing lots. 8 groups play a group match, and the teams in each group play a single round-robin game (every two teams play one game), how many games will be played in the group match.
第十九届世界杯足球赛，将于2010年6月11日在南非的九个城市的十座球场举行，共有来自世界各地的32支球队参加赛事，这32支球队通过抽签被平均分成8个小组进行小组赛，每个小组的球队进行单循环比赛(每两个队踢一场)，在小组赛中一共要进行多少场比赛．
<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) * 8</gadget>
<output>48</output>

<result>48</result>