The school launched a book donation activity. A total of 214 books were donated in the first 2 days, and a total of 176 books were donated in the next 3 days. How much do you donate on average per day?
学校开展捐书活动，前2天共捐了214本书，后3天共捐了176本．平均每天捐多少本？
<gadget id="calculator">214 + 176</gadget>
<output>390</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">390 / 5</gadget>
<output>78</output>

<result>78</result>