Calculation: ((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>

<gadget id="calculator">(1/2_016) * 1</gadget>
<output>1/2_016 = around 0.000496</output>

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