A square team participated in the competition. Due to insufficient clothing, 23 people had to be reduced, so that one row was reduced horizontally and vertically. Find out how many people the fourth grade originally planned to participate in the competition.
一个正方形队伍，参加比赛，由于服装不够，只好减少23人，使横竖各减少一排．求四年级原来准备多少人参加比赛．
<gadget id="calculator">23 + 1</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">12 * 12</gadget>
<output>144</output>

<result>144</result>