If the perimeter of a square is (8/5) meters, what is its area in square meters?
一个正方形的周长是(8/5)米，它的面积是多少平方米．
<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">(8/5) / 4</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * (2/5)</gadget>
<output>4/25 = around 0.16</output>

<result>4/25 = around 0.16</result>