A teacher in a class suggests that students read A and B extra-curricular books. As a result, 25 students did not read A, 19 did not read B, 20 students only read 1 book, and 11 students read 2 books. Then the class has a total of how many people.
某班老师建议学生读A、B两本课外读物，结果有25人没有读A，有19人没有读B，20人只读了1本书，11人读过2本书，那么该班共有多少人．
<gadget id="calculator">25 + 11 + 19 + 11 + 20</gadget>
<output>86</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">86 / 2</gadget>
<output>43</output>

<result>43</result>