The former term of the ratio is doubled, and the latter term is divided by 3. What is the original ratio now?
比的前项扩大2倍，后项除以3，现在的比值是原来的多少．
<gadget id="calculator">3 / 1 / 1</gadget>
<output>3</output>

<gadget id="calculator">3 / 3</gadget>
<output>1</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">1 * 6</gadget>
<output>6</output>

<result>6</result>