(1/3)+(1/5)+(1/7)+(1/19)+(1/1995)=how much.
(1/3)+(1/5)+(1/7)+(1/19)+(1/1995)=多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 / 19</gadget>
<output>1/19 = around 0.052632</output>

<gadget id="calculator">1 / 1_995</gadget>
<output>1/1_995 = around 0.000501</output>

<gadget id="calculator">(1/3) + (1/5) + (1/7) + (1/19) + (1/1_995)</gadget>
<output>97/133 = around 0.729323</output>

<result>97/133 = around 0.729323</result>