Today, there are 39 people in class 5 and 2, and 1 person is absent. What is the attendance rate?
今天五2班出勤39人，缺席1人，出勤率是多少．
<gadget id="calculator">39 + 1</gadget>
<output>40</output>

<gadget id="calculator">39 / 40</gadget>
<output>39/40 = around 0.975</output>

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

<gadget id="calculator">(39/40) * 1</gadget>
<output>39/40 = around 0.975</output>

<result>39/40 = around 0.975</result>