There are 50 students in a class, and 2 of them are short-sighted. What is the myopia rate of the students in this class?
某班有学生50人，其中2人近视．这个班学生的近视率是多少？
<gadget id="calculator">2 / 50</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">(1/25) * 1</gadget>
<output>1/25 = around 0.04</output>

<result>1/25 = around 0.04</result>