Calculation: (1/2)*(2/3)*(3/4)*(4/5)*...(99/100)=how much.
计算：(1/2)*(2/3)*(3/4)*(4/5)*…(99/100)=多少．
<gadget id="calculator">1 / 100</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">1 * (1/100)</gadget>
<output>1/100 = around 0.01</output>

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