Students go boating, 135 students go to the third grade, 129 students go to the fourth grade, every 8 students take a boat, how many boats do you need to rent in total?
同学们去划船，三年级去了135人，四年级去了129人，每8人坐一条船，一共需要租多少条船？
<gadget id="calculator">135 + 129</gadget>
<output>264</output>

<gadget id="calculator">264 / 8</gadget>
<output>33</output>

<result>33</result>