Add 16 to the numerator of (8/11), what should be the denominator to keep the size of the fraction unchanged.
把(8/11)的分子加上16，要使分数的大小不变，分母应多少．
<gadget id="calculator">11 * 3</gadget>
<output>33</output>

<gadget id="calculator">33 - 11</gadget>
<output>22</output>

<result>22</result>