calculate. ((1/2)+(1/3)+(1/4)+…+(1/2016))*(1+(1/2)+(1/3)+(1/4)+… +(1/2015))-((1/2)+(1/3)+(1/4)+…+(1/2015))*(1+(1/2)+(1/3) +(1/4)+…+(1/2016))
计算．((1/2)+(1/3)+(1/4)+…+(1/2016))*(1+(1/2)+(1/3)+(1/4)+…+(1/2015))-((1/2)+(1/3)+(1/4)+…+(1/2015))*(1+(1/2)+(1/3)+(1/4)+…+(1/2016))
<gadget id="calculator">1 / 2_016</gadget>
<output>1/2_016 = around 0.000496</output>

<result>1/2_016 = around 0.000496</result>