Use 124 cm wire to just form a square frame (not counting the interface), what is its area in square centimeters
用124厘米的铁丝刚好围成一个正方形框架(接口处不计)，它的面积是多少平方厘米
<gadget id="calculator">124 / 4</gadget>
<output>31</output>

<gadget id="calculator">31 * 31</gadget>
<output>961</output>

<result>961</result>