The students in class 6 and 1 took a vision test, and the myopia rate was 28%, and the number of non-myopic people was 22 more than the myopic ones. How many students are there in this class?
六1班学生进行视力测试，近视率是28%，不近视的人数比近视的多22人．这个班共有学生多少人？
<gadget id="calculator">28 / 100</gadget>
<output>7/25 = around 0.28</output>

<gadget id="calculator">1 - (7/25) - (7/25)</gadget>
<output>11/25 = around 0.44</output>

<gadget id="calculator">22 / (11/25)</gadget>
<output>50</output>

<result>50</result>