Use 36dm long iron wire to make a frame of a cube, what is the area of the base of the cube
用36dm长的铁丝做一个正方体的框架，这个正方体的底面积是多少
<gadget id="calculator">36 / 12</gadget>
<output>3</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>