Students in grades 3 and 4 donated 762 books in total. There are 3 classes in each grade. How many books do each class donate on average?
三、四年级同学共捐书762本，每个年级有3个班，平均每个班捐书多少本？
<gadget id="calculator">762 / 2 / 3</gadget>
<output>127</output>

<result>127</result>