Wang Gang memorizes English words, an average of 5 words a day. According to this calculation, how many words can he memorize in total in seven or eight months?
王刚背英语单词，平均每天背5个单词，照这样计算，七、八两个月他一共可背多少个单词？
<gadget id="calculator">31 + 31</gadget>
<output>62</output>

<gadget id="calculator">62 * 5</gadget>
<output>310</output>

<result>310</result>