Students from 4 classes in the third grade donated books for the children in the earthquake in Ya'an, Sichuan. Class Three 1 donated 84 books, Class Three 2 donated 102 books, Class Three 3 donated 124 books, Class Three 4 donated 96 books, how many books are donated by each class on average?
三年级4个班的同学为四川雅安地震中的小朋友进行献爱心捐书活动．三1班捐84本，三2班捐102本，三3班捐124本，三4班捐96本，平均每个班捐多少本？
<gadget id="calculator">84 + 102 + 124 + 96</gadget>
<output>406</output>

<gadget id="calculator">406 / 4</gadget>
<output>203/2 = around 101.5</output>

<result>203/2 = around 101.5</result>