There are 240 students in the fifth grade, 210 of them are present, and 5 are on leave. What is the absentee rate?
五年级有240人，出勤210人，请假5人，问缺勤率是多少．
<gadget id="calculator">240 - 210</gadget>
<output>30</output>

<gadget id="calculator">30 / 240</gadget>
<output>1/8 = around 0.125</output>

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

<gadget id="calculator">(1/8) * 1</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>