Calculation: ((1/8)+(1/9)+(1/10)+(1/11))*((1/9)+(1/10)+(1/11)+(1/ 12))-((1/8)+(1/9)+(1/10)+(1/11)+(1/12))*((1/9)+(1/10)+( 1/11))
计算：((1/8)+(1/9)+(1/10)+(1/11))*((1/9)+(1/10)+(1/11)+(1/12))-((1/8)+(1/9)+(1/10)+(1/11)+(1/12))*((1/9)+(1/10)+(1/11))
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

<gadget id="calculator">(1/8) + (1/9) + (1/10) + (1/11)</gadget>
<output>1_691/3_960 = around 0.42702</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/9) + (1/10) + (1/11) + (1/12)</gadget>
<output>763/1_980 = around 0.385354</output>

<gadget id="calculator">(1_691/3_960) * (763/1_980)</gadget>
<output>1_290_233/7_840_800 = around 0.164554</output>

<gadget id="calculator">(1/8) + (1/9) + (1/10) + (1/11) + (1/12)</gadget>
<output>2_021/3_960 = around 0.510354</output>

<gadget id="calculator">(1/9) + (1/10) + (1/11)</gadget>
<output>299/990 = around 0.30202</output>

<gadget id="calculator">(2_021/3_960) * (299/990)</gadget>
<output>604_279/3_920_400 = around 0.154137</output>

<gadget id="calculator">(1_290_233/7_840_800) - (604_279/3_920_400)</gadget>
<output>1/96 = around 0.010417</output>

<result>1/96 = around 0.010417</result>