Calculation: (((1/5)+(1/10)+(1/20)+(1/40)+(1/80)+…+(1/10240))/(0.2*(1/2 )+0.2*(1/3)+0.2*(1/6)))=how much.
计算：(((1/5)+(1/10)+(1/20)+(1/40)+(1/80)+…+(1/10240))/(0.2*(1/2)+0.2*(1/3)+0.2*(1/6)))=多少．
<gadget id="calculator">1 / 2_048</gadget>
<output>1/2_048 = around 0.000488</output>

<gadget id="calculator">2 - (1/2_048)</gadget>
<output>4_095/2_048 = around 1.999512</output>

<gadget id="calculator">(4_095/2_048) / 1</gadget>
<output>4_095/2_048 = around 1.999512</output>

<result>4_095/2_048 = around 1.999512</result>