In the activity of striving to be a small guard of environmental protection, the number of mineral water bottles picked up by 5 students in a certain class was 36, 13, 20, 14, and 17, and the average number of mineral water bottles picked up by each student.
在争当环保小卫士的活动中，某班5个同学捡到矿泉水瓶的个数分别为36个、13个、20个、14个、17个，平均每个同学捡到矿泉水瓶多少个．
<gadget id="calculator">36 + 13 + 20 + 14 + 17</gadget>
<output>100</output>

<gadget id="calculator">100 / 5</gadget>
<output>20</output>

<result>20</result>