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

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/3) + (1/4)</gadget>
<output>19/12 = around 1.583333</output>

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

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

<gadget id="calculator">(1/2) + (1/3) + (1/4) + (1/5)</gadget>
<output>77/60 = around 1.283333</output>

<gadget id="calculator">(19/12) * (77/60)</gadget>
<output>1_463/720 = around 2.031944</output>

<gadget id="calculator">1 + (1/2) + (1/3) + (1/4) + (1/5)</gadget>
<output>137/60 = around 2.283333</output>

<gadget id="calculator">(1/3) + (1/4)</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(137/60) * (7/12)</gadget>
<output>959/720 = around 1.331944</output>

<gadget id="calculator">(1_463/720) - (959/720)</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>