1/(2/3)/(3/4)/.../(99/100)=how much.
1/(2/3)/(3/4)/…/(99/100)=多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * 100</gadget>
<output>50</output>

<result>50</result>