99*(1-(1/2))*(1-(1/3))*(1-(1/4))*…*(1-(1/100))
99*(1-(1/2))*(1-(1/3))*(1-(1/4))*…*(1-(1/100))
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">99 * (1/100)</gadget>
<output>99/100 = around 0.99</output>

<result>99/100 = around 0.99</result>