(1-(1/6)/(5/9))*(5/14).
(1-(1/6)/(5/9))*(5/14)．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(1/6) / (5/9)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 - (3/10)</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">5 / 14</gadget>
<output>5/14 = around 0.357143</output>

<gadget id="calculator">(7/10) * (5/14)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>