There are 38 people in class 2 on Monday and Friday, and 2 students ask for leave. What is the attendance rate?
星期一，五2班出勤38人，有2名同学请假，出勤率是多少．
<gadget id="calculator">38 + 2</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>