There are 40 students in class 3 and 2, and the number of people who arrived at the school yesterday was 38. What was the attendance rate of this class yesterday?
三2班有40人，昨天到校人数是38人．这个班昨天的出勤率是多少？
<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>