The fifth graders line up to do morning exercises, and each line has 16 or 12 people just lined up in a square line. How many people are there at least in the fifth grade to participate in morning exercises?
五年级同学排队做早操，每行16人或12人都正好排成方队．五年级参加早操的至少有多少人？
<gadget id="calculator">2 * 2 * 2 * 2 * 3</gadget>
<output>48</output>

<result>48</result>