The first class recycles 65 old batteries, and the second class recycles 10 more old batteries than the first class. How many batteries are recycled in each class on average?
一班回收了65节旧电池，二班比一班多回收10节旧电池，平均每个班回收多少节电池？
<gadget id="calculator">65 + 10 + 65</gadget>
<output>140</output>

<gadget id="calculator">140 / 2</gadget>
<output>70</output>

<result>70</result>