square has the same perimeter as a rectangle with a length of 8 decimeters and a width of 6 decimeters. What is the area of the square?
一个正方形与一个长8分米、宽6分米的长方形周长相等，这个正方形的面积是多少．
<gadget id="calculator">6 + 8</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>