Xiaohong reads a book, read 36 pages on the first day, and read 4 pages less on the second day than on the first day. How many pages did Xiaohong read on average in the past two days?
小红读一本书，第一天读36页，第二天比第一天少读4页．小红这两天平均每天读多少页？
<gadget id="calculator">36 - 4</gadget>
<output>32</output>

<gadget id="calculator">36 + 32</gadget>
<output>68</output>

<gadget id="calculator">68 / 2</gadget>
<output>34</output>

<result>34</result>