The numerator of (3/8) has been enlarged by 3 times, how much should the denominator be increased to keep the size of the fraction constant
(3/8)的分子扩大了3倍，要使分数的大小不变，分母应该增加多少
<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<gadget id="calculator">24 - 8</gadget>
<output>16</output>

<result>16</result>