Students in class 5 and 3 are doing radio gymnastics. If every 9 or 12 people stand in a row, they are all lined up in a whole row without any surplus. At least how many students are there in this class.
五3班同学做广播体操，如果按每9人或12人站一行，都正好排成整行而无剩余，这个班至少有学生多少人．
<gadget id="calculator">2 * 2 * 3 * 3</gadget>
<output>36</output>

<result>36</result>