If there are 16 students in a class or 12 students in a group, the result is 3 students, at least how many students are there in this class?
某班同学如果每16人一组或是每12人一组，结果都差3人，这个班至少有多少人？
<gadget id="calculator">48 - 3</gadget>
<output>45</output>

<result>45</result>