3 times larger than the previous item. The latter item is reduced by 3 times, and the ratio is expanded by how many times
比的前项扩大3倍．后项缩小3倍，比值扩大多少倍
<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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

<result>9</result>