There are 50 students in a class and 2 students are on sick leave. What is the absentee rate?
某班到校的学生有50人，病假2人，缺勤率是多少．
<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>