Solution ratio: ((x)/3)=2:1, x=how much
解比例：((x)/3)=2：1，x=多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">2 / (1/3)</gadget>
<output>6</output>

<result>6</result>