The school should distribute 280 exercise books to each class according to the number of students in the three classes of the sixth grade. There are 50 students in the first class, 46 students in the second class, and 44 students in the third class. How many books should the three classes get?
学校要把280本练习本按照六年级三个班的人数分配给各班，一班有50人，二班有46人，三班有44人．三班应分得多少本．
<gadget id="calculator">50 + 46 + 44</gadget>
<output>140</output>

<gadget id="calculator">44 / 140</gadget>
<output>11/35 = around 0.314286</output>

<gadget id="calculator">280 * (11/35)</gadget>
<output>88</output>

<result>88</result>