For a tour group, every 12 or 16 tourists are divided into a group and there are 2 people left. How many tourists does this tour group have at least?
一个旅游团，每12名或16名游客分成一组都余2人，这个旅游团最少有多少名游客？
<gadget id="calculator">2 * 2 * 2 * 2 * 3</gadget>
<output>48</output>

<gadget id="calculator">48 + 2</gadget>
<output>50</output>

<result>50</result>