If the side length of a square is (1/5) meter, what is its area in square meters?
一个正方形的边长是(1/5)米，它的面积是多少平方米．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/5) * (1/5)</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>