There are 40 students in the sixth grade (1) class of Guangming Primary School, and 2 people ask for leave one day. What is the attendance rate for this day?
光明小学六年级(一)班有40人，某天有2人请假．这天的出勤率是多少．
<gadget id="calculator">40 - 2</gadget>
<output>38</output>

<gadget id="calculator">38 / 40</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>