There are 47 people in a certain class today, 2 people on sick leave and 1 person on personal leave, what is the absentee rate?
某班今天实到47人，病假2人，事假1人，则缺席率为多少．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">47 + 2 + 1</gadget>
<output>50</output>

<gadget id="calculator">3 / 50</gadget>
<output>3/50 = around 0.06</output>

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

<gadget id="calculator">(3/50) * 1</gadget>
<output>3/50 = around 0.06</output>

<result>3/50 = around 0.06</result>