Calculation: (1/3)+(1/(3**2))+(1/(3**3))+(1/(3**4))+(1/(3**5) ).
计算：(1/3)+(1/(3**2))+(1/(3**3))+(1/(3**4))+(1/(3**5))．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">3 ** 3</gadget>
<output>27</output>

<gadget id="calculator">1 / 27</gadget>
<output>1/27 = around 0.037037</output>

<gadget id="calculator">3 ** 4</gadget>
<output>81</output>

<gadget id="calculator">1 / 81</gadget>
<output>1/81 = around 0.012346</output>

<gadget id="calculator">3 ** 5</gadget>
<output>243</output>

<gadget id="calculator">1 / 243</gadget>
<output>1/243 = around 0.004115</output>

<gadget id="calculator">(1/3) + (1/9) + (1/27) + (1/81) + (1/243)</gadget>
<output>121/243 = around 0.497942</output>

<result>121/243 = around 0.497942</result>