36 students are playing games on the playground. Everyone forms a square with equal numbers of people on each side and people at all four vertices. How many students are there on each side?
36名学生在操场上做游戏．大家围成一个正方形，每边人数相等，四个顶点都有人．每边各有几名学生？
<gadget id="calculator">36 + 4</gadget>
<output>40</output>

<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<result>10</result>