If the perimeter of a square is (3/5) meters, what is its area in square meters?
一个正方形的周长是(3/5)米，它的面积是多少平方米．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 4</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">(3/20) * (3/20)</gadget>
<output>9/400 = around 0.0225</output>

<result>9/400 = around 0.0225</result>