The school carried out Arbor Day activities. There were 3 classes in the third grade, and a total of 369 trees were planted. How many trees were planted in each class on average?
学校开展植树节活动，三年级有3个班，共植树369棵，平均每个班植多少棵树？
<gadget id="calculator">369 / 3</gadget>
<output>123</output>

<result>123</result>