A total of 48 students from class 2 of the sixth grade came to school today, and 2 people asked for leave. What is the absence rate of this class today?
六年级2班今天共有48人到校上课，请假2人，这个班今天的缺勤率是多少．
<gadget id="calculator">48 + 2</gadget>
<output>50</output>

<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>