The myopia rate of a certain class of students is 28%, and the number of non-myopic students is 22 more than the number of myopic students. How many people are there in this class?
某班学生的近视率是28%，不近视人数比近视人数多22人．这个班共有多少人．
<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>