Solution ratio: (1/8): (2/3) = (1/6): x.
解比例：(1/8)：(2/3)=(1/6)：x．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/6) * (2/3)</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/9) / (1/8)</gadget>
<output>8/9 = around 0.888889</output>

<result>8/9 = around 0.888889</result>