A group is on duty in a certain class, 4 people are on duty, and 1 person is absent, what is the attendance rate
某班一组做值日，出勤4人，缺勤1人，出勤率是多少
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

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

<gadget id="calculator">(4/5) * 1</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>