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 2 days, and 55 trees were planted in 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2天共植了113棵，第三天植了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>