The third-grade students planted 32 trees on the first day, 18 in the morning on the second day, the same number in the afternoon as in the morning, and 28 on the third day. How many trees are planted per day on average?
三年级同学种树，第一天种了32棵，第二天上午种了18棵，下午种的和上午同样多，第三天种了28棵，平均每天种了多少棵树？
<gadget id="calculator">32 + 18 + 18 + 28</gadget>
<output>96</output>

<gadget id="calculator">96 / 3</gadget>
<output>32</output>

<result>32</result>