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

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