The tree planting team planted a batch of trees and completed it in 3 days. A total of 113 trees were planted in the first two days, and 55 trees were planted on the third day. How many trees does the tree planting group plant on average every day?
植树小组植一批树，3天完成．前两天共植113棵，第3天植了55棵．植树小组平均每天植树多少棵？
<gadget id="calculator">113 + 55</gadget>
<output>168</output>

<gadget id="calculator">168 / 3</gadget>
<output>56</output>

<result>56</result>