A rectangle and a square have the same perimeter. If the rectangle is 8 meters long and 6 meters wide, what is the area of the square in square meters?
一长方形和一正方形周长相等，已知长方形长8米，宽6米，正方形的面积是多少平方米．
<gadget id="calculator">8 + 6</gadget>
<output>14</output>

<gadget id="calculator">14 * 2</gadget>
<output>28</output>

<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<gadget id="calculator">7 * 7</gadget>
<output>49</output>

<result>49</result>