(1/8) hectare = how many square kilometers.
(1/8)公顷=多少平方千米．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/8) / 100</gadget>
<output>1/800 = around 0.00125</output>

<result>1/800 = around 0.00125</result>