There are 4 classes in the sixth grade of Yucai Primary School, with a total of 192 students. Later, 3 students were transferred from each of these 4 classes. How many students are there on average in each class now?
育才小学六年级有4个班，一共有192名学生，后来这4个班每班都转走了3名学生，现在平均每班有多少名学生？
<gadget id="calculator">192 / 4</gadget>
<output>48</output>

<gadget id="calculator">48 - 3</gadget>
<output>45</output>

<result>45</result>