(5+(1/2)+(1/3)+(1/4))*((1/2)+(1/3)+(1/4)+(1/5))-(5 +(1/2)+(1/3)+(1/4)+(1/5))*((1/2)+(1/3)+(1/4))
(5+(1/2)+(1/3)+(1/4))*((1/2)+(1/3)+(1/4)+(1/5))-(5+(1/2)+(1/3)+(1/4)+(1/5))*((1/2)+(1/3)+(1/4))
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<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">5 + (1/2) + (1/3) + (1/4)</gadget>
<output>73/12 = around 6.083333</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">(73/12) * (77/60)</gadget>
<output>5_621/720 = around 7.806944</output>

<gadget id="calculator">5 + (1/2) + (1/3) + (1/4) + (1/5)</gadget>
<output>377/60 = around 6.283333</output>

<gadget id="calculator">(1/2) + (1/3) + (1/4)</gadget>
<output>13/12 = around 1.083333</output>

<gadget id="calculator">(377/60) * (13/12)</gadget>
<output>4_901/720 = around 6.806944</output>

<gadget id="calculator">(5_621/720) - (4_901/720)</gadget>
<output>1</output>

<result>1</result>