Calculation: (1/(2*4*6))+(1/(4*6*8))+(1/(6*8*10))+…+(1/(20*22*24) ).
计算：(1/(2*4*6))+(1/(4*6*8))+(1/(6*8*10))+…+(1/(20*22*24))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 132</gadget>
<output>1/132 = around 0.007576</output>

<gadget id="calculator">(1/2) - (1/132)</gadget>
<output>65/132 = around 0.492424</output>

<gadget id="calculator">(65/132) * (1/2)</gadget>
<output>65/264 = around 0.246212</output>

<gadget id="calculator">(1/8) * (65/264)</gadget>
<output>65/2_112 = around 0.030777</output>

<result>65/2_112 = around 0.030777</result>