The students are playing a game. There are 36 boys and 12 girls less than boys. Every 4 people are divided into groups. How many groups can they be divided into?
同学们做游戏，男生36人，女生比男生少12人，每4人分为一组，可分成多少个组？
<gadget id="calculator">36 - 12</gadget>
<output>24</output>

<gadget id="calculator">24 + 36</gadget>
<output>60</output>

<gadget id="calculator">60 / 4</gadget>
<output>15</output>

<result>15</result>