Calculation: (1+(1/2)+(1/3)+…+(1/10))((1/2)+(1/3)+…+(1/11))-(1+ (1/2)+(1/3)+...+(1/11))((1/2)+(1/3)+...+(1/10)).
计算：(1+(1/2)+(1/3)+…+(1/10))((1/2)+(1/3)+…+(1/11))-(1+(1/2)+(1/3)+…+(1/11))((1/2)+(1/3)+…+(1/10))．
<gadget id="calculator">1 / 11</gadget>
<output>1/11 = around 0.090909</output>

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

<result>1/11 = around 0.090909</result>