In one activity, the teacher formed the students into a square team. Two rows and two columns were boys. There were 84 boys and the rest were girls. How many students participated in the formation?
在一次活动中，老师把学生组成一个正方形方队，其中有两行两列都是男生，男生共有84人，其余是女生，问参加组成这个方阵的学生共有多少人？
<gadget id="calculator">84 + 4</gadget>
<output>88</output>

<gadget id="calculator">88 / 4</gadget>
<output>22</output>

<gadget id="calculator">22 * 22</gadget>
<output>484</output>

<result>484</result>