Add 10 to the numerator of (5/11), how much should be added to the denominator to keep the size of the fraction unchanged.
(5/11)的分子加上10，要使分数的大小不变，分母应加上多少．
<gadget id="calculator">11 * 3</gadget>
<output>33</output>

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

<result>22</result>