If 38 people from a certain class came to school today, and another person asked for sick leave and another person did not come to school for personal leave, what is the attendance rate of the class today?
某班今天又38人到校，另有一人请病假和一人请事假未到校，则该班今天的出勤率是多少．
<gadget id="calculator">38 + 1 + 1</gadget>
<output>40</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>