Xiaofang, Xiaoqiang and Xiaoli collected 108 kinds of leaf specimens in two months. How many kinds did each person collect on average per month?
小方、小强和小丽用两个月的时间采集了108种树叶标本，平均每人每月采集了多少种？
<gadget id="calculator">108 / 2 / 3</gadget>
<output>18</output>

<result>18</result>