At the sports meeting, there are 28 students holding flags standing around the square playground. For example, there is one student standing at the four corners. How many students are standing on each side of the playground?
运动会上，在正方形操场四周站着执旗的同学28人，如四个角上都站一名同学，求这个操场每边站着多少个学生？
<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<result>8</result>