There are 100 students in the fifth grade, 90 students are present, and 5 students are on leave. What is the absentee rate?
五年级有100人，出勤90人，请假5人，问缺勤率是多少．
<gadget id="calculator">100 - 90</gadget>
<output>10</output>

<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

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

<gadget id="calculator">(1/10) * 1</gadget>
<output>1/10 = around 0.1</output>

<result>1/10 = around 0.1</result>