In 3:2, if 6 is added to the former term, how much should the latter term be multiplied to keep the ratio constant?
在3：2中，如果前项加上6，要使比值不变，后项应乘以多少
<gadget id="calculator">3 + 6</gadget>
<output>9</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<result>3</result>