Add 6 to the numerator of (3/16), what is the denominator to keep the fraction constant?
(3/16)的分子加上6，要使分数大小不变，分母应多少．
<gadget id="calculator">16 * 3</gadget>
<output>48</output>

<gadget id="calculator">48 - 16</gadget>
<output>32</output>

<result>32</result>