6: x=(3/11):(5/11).
6：x=(3/11)：(5/11)．
<gadget id="calculator">5 / 11</gadget>
<output>5/11 = around 0.454545</output>

<gadget id="calculator">6 * (5/11)</gadget>
<output>30/11 = around 2.727273</output>

<gadget id="calculator">3 / 11</gadget>
<output>3/11 = around 0.272727</output>

<gadget id="calculator">(30/11) / (3/11)</gadget>
<output>10</output>

<result>10</result>