36 students participated in the school aerobics competition. They rehearsed in groups of 9. During the competition, the judges asked them to change their formation, and each group reduced 3 people to rearrange. How many groups were they divided into during the game?
36名同学参加学校健美操大赛，她们按9人一组进行排练，比赛时评委要求她们变换队形，每组减少3人重新排列．比赛时她们分成了多少组．
<gadget id="calculator">9 - 3</gadget>
<output>6</output>

<gadget id="calculator">36 / 6</gadget>
<output>6</output>

<result>6</result>