(1/2) kilogram is (7/8) kilogram ((())/(())); how many tons (1/4) is 3 tons.
(1/2)千克是(7/8)千克的((())/(()))；多少吨的(1/4)是3吨．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / (1/4)</gadget>
<output>12</output>

<result>12</result>