The perimeter of a square field is (8/11) km, what is its area?
一块正方形场地的周长是(8/11)千米，它的面积是多少？
<gadget id="calculator">8 / 11</gadget>
<output>8/11 = around 0.727273</output>

<gadget id="calculator">(8/11) / 4</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">(2/11) * (2/11)</gadget>
<output>4/121 = around 0.033058</output>

<result>4/121 = around 0.033058</result>