There are six classes in the fifth grade, each class has an equal number of students. Select 16 people from each class to participate in the Young Pioneers activities, and the remaining students are equivalent to the number of the original 4 classes. How many people were in each class?
五年级有六个班，每班人数相等．从每班选16人参加少先队活动，剩下的同学相当于原来4个班的人数，原来每班多少人？
<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

<gadget id="calculator">16 * 3</gadget>
<output>48</output>

<result>48</result>