The tree planting team planted a total of 84 trees in the first 4 days of the week, and 147 trees in the last 3 days. How many trees did the tree planting team plant each day on average during this week?
植树队在一星期中前4天共植树84棵，后3天共植树147棵，植树队在这星期中平均每天植树多少棵？
<gadget id="calculator">84 + 147</gadget>
<output>231</output>

<gadget id="calculator">4 + 3</gadget>
<output>7</output>

<gadget id="calculator">231 / 7</gadget>
<output>33</output>

<result>33</result>