Xiao Liang reads a story book, and reads 65 pages on the first day, 42 pages in the morning on the second day, 37 pages in the afternoon, and 87 pages on the third day. How many pages does Xiao Liang read on average every day?
小亮看一本故事书，第一天看了65页，第二天上午看了42页，下午看了37页，第三天看了87页，小亮平均每天看几页？
<gadget id="calculator">65 + 42 + 37 + 87</gadget>
<output>231</output>

<gadget id="calculator">231 / 3</gadget>
<output>77</output>

<result>77</result>