Fold a (5/4) meter long iron wire into a square, what is the side length of this square in meters?
用(5/4)米长的铁丝折成一个正方形，这个正方形的边长是多少米．
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) / 4</gadget>
<output>5/16 = around 0.3125</output>

<result>5/16 = around 0.3125</result>