(1-(1/2))*(1-(1/3))*(1-(1/4))*(1-(1/5))*...*(1-(1/100) ) = how much.
(1-(1/2))*(1-(1/3))*(1-(1/4))*(1-(1/5))*…*(1-(1/100))=多少．
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<result>1/100 = around 0.01</result>