(1/(2-(1/(2-(1/3))))).
(1/(2-(1/(2-(1/3)))))．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 - (1/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">1 / (5/3)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 - (3/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">1 / (7/5)</gadget>
<output>5/7 = around 0.714286</output>

<result>5/7 = around 0.714286</result>