(1/(2+(1/(4+(1/(6+(1/(8+(1/10))))))))) = how much.
(1/(2+(1/(4+(1/(6+(1/(8+(1/10)))))))))=多少．
<gadget id="calculator">81 / 10</gadget>
<output>81/10 = around 8.1</output>

<gadget id="calculator">1 / (81/10)</gadget>
<output>10/81 = around 0.123457</output>

<gadget id="calculator">6 + (10/81)</gadget>
<output>496/81 = around 6.123457</output>

<gadget id="calculator">1 / (496/81)</gadget>
<output>81/496 = around 0.163306</output>

<gadget id="calculator">4 + (81/496)</gadget>
<output>2_065/496 = around 4.163306</output>

<gadget id="calculator">1 / (2_065/496)</gadget>
<output>496/2_065 = around 0.240194</output>

<gadget id="calculator">2 + (496/2_065)</gadget>
<output>4_626/2_065 = around 2.240194</output>

<gadget id="calculator">1 / (4_626/2_065)</gadget>
<output>2_065/4_626 = around 0.44639</output>

<result>2_065/4_626 = around 0.44639</result>