The perimeter of a square is (8/15) meters, what is its side length in meters?
一个正方形的周长是(8/15)米，它的边长是多少米．
<gadget id="calculator">8 / 15</gadget>
<output>8/15 = around 0.533333</output>

<gadget id="calculator">(8/15) / 4</gadget>
<output>2/15 = around 0.133333</output>

<result>2/15 = around 0.133333</result>