Xiaodong and 3 good friends folded a total of 120 paper airplanes in 5 days. How many paper airplanes did each person fold on average per day?
小冬和3个好朋友5天共折120个纸飞机，平均每人每天折了多少个？
<gadget id="calculator">120 / 5 / 4</gadget>
<output>6</output>

<result>6</result>