2: Add 6 to the former term of 5, how much should the latter term be multiplied to keep the ratio constant
2：5的前项加上6，要使比值不变，后项应乘多少
<gadget id="calculator">2 + 6</gadget>
<output>8</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<result>4</result>