A rectangle is surrounded by an iron wire, the length is 48 cm, and the width is 24 cm. If this wire is re-enclosed to form a square, what is its area?
用一根铁丝围成一个长方形，长48厘米，宽24厘米，如果把这根铁丝重新围成一个正方形，它的面积是多少？
<gadget id="calculator">48 + 24</gadget>
<output>72</output>

<gadget id="calculator">72 * 2</gadget>
<output>144</output>

<gadget id="calculator">144 / 4</gadget>
<output>36</output>

<gadget id="calculator">36 * 36</gadget>
<output>1_296</output>

<result>1_296</result>