Athletes participating in the group gymnastics of the elementary school sports meeting are arranged in a square queue. If the square queue is to be reduced by one row and one column, 33 people need to be reduced. How many athletes participate in the group gymnastics performance?
参加小学生运动会团体操的运动员排成一个正方形队列，如果要使这个正方形队列减少一行和一列，则要减少33人．参加团体操表演的运动员有多少人？
<gadget id="calculator">33 + 1</gadget>
<output>34</output>

<gadget id="calculator">34 / 2</gadget>
<output>17</output>

<gadget id="calculator">17 * 17</gadget>
<output>289</output>

<result>289</result>