Liu Huan did not take a math test due to illness. The average score of the whole class was 91.2. Later, Liu Huan took the make-up exam and scored 98 points. As a result, the average score of the whole class increased to 91.4. Question: How many students are there in the class?
一次数学测验，刘欢因病没有参加，全班的平均成绩是91.2分，后来刘欢参加补考，得了98分，结果全班的平均成绩提高到91.4分，问：全班一共有学生多少人？
<gadget id="calculator">98 - 91.4</gadget>
<output>6.6</output>

<gadget id="calculator">91.4 - 91.2</gadget>
<output>0.2</output>

<gadget id="calculator">6.6 / 0.2</gadget>
<output>33</output>

<gadget id="calculator">33 + 1</gadget>
<output>34</output>

<result>34</result>