There are 8 groups in the 2014 FIFA World Cup in Brazil, each group has 4 teams, and a total of 672 athletes participated in the competition. How many athletes are there in each team?
2014年巴西世界杯足球赛共有8个组，每组4个队，一共有672名运动员参加比赛，每个队有多少名运动员？
<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">672 / 32</gadget>
<output>21</output>

<result>21</result>