There are 5 classes in each grade of Hope Primary School. During a charity donation event, all students in the school donated a total of 900 yuan. How much is the average donation for each class?
希望小学每个年级都有5个班，在一次献爱心捐款活动中，全校学生共捐款900元，平均每个班捐款多少元？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">900 / 30</gadget>
<output>30</output>

<result>30</result>