If the former term of 3:2 is enlarged to 6 times of the original, how much should be added to the latter term to keep the ratio unchanged.
如果3：2的前项扩大为原来的6倍，要使比值不变，后项应加上多少．
<gadget id="calculator">2 * 6</gadget>
<output>12</output>

<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<result>10</result>