There are 8 classes in the fifth grade, and the number of each class is equal. If 15 people are selected from each class to participate in the Young Pioneers activities, the remaining students are equivalent to the number of the original 5 classes. How many people were in each class?
五年级有8个班，每班人数相等．如果从每班选15人参加少先队活动，剩下的同学相当于原来5个班的人数，原来每班多少人？
<gadget id="calculator">8 - 5</gadget>
<output>3</output>

<gadget id="calculator">8 / 3</gadget>
<output>8/3 = around 2.666667</output>

<gadget id="calculator">15 * (8/3)</gadget>
<output>40</output>

<result>40</result>