There are 6 classes in the sixth grade, each class has the same number of students, 23 students are selected from each class to participate in the calligraphy and painting exhibition, and the remaining students are equivalent to the original 4 classes, how many students are there in each class?
六年级有6个班，每班人数相同，从每班选23人参加书画展，剩下的同学相当于原来的4个班的人数，原来每班有多少人？
<gadget id="calculator">6 - 4</gadget>
<output>2</output>

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

<gadget id="calculator">23 * 3</gadget>
<output>69</output>

<result>69</result>