Calculation: (1/(1+(2/(1+(3/(1+(4/5)))+1))+1)).
计算：(1/(1+(2/(1+(3/(1+(4/5)))+1))+1))．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (4/5)</gadget>
<output>9/5 = around 1.8</output>

<gadget id="calculator">3 / (9/5)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">1 + (5/3) + 1</gadget>
<output>11/3 = around 3.666667</output>

<gadget id="calculator">2 / (11/3)</gadget>
<output>6/11 = around 0.545455</output>

<gadget id="calculator">1 + (6/11) + 1</gadget>
<output>28/11 = around 2.545455</output>

<gadget id="calculator">1 / (28/11)</gadget>
<output>11/28 = around 0.392857</output>

<result>11/28 = around 0.392857</result>