There are 50 people in a class, of which 2 people are on sick leave and 1 person is on personal leave, what is the attendance rate of the class?
某班共有50人，其中有2人病假，1人事假，则该班的出勤率是多少．
<gadget id="calculator">50 - 2 - 1</gadget>
<output>47</output>

<gadget id="calculator">47 / 50</gadget>
<output>47/50 = around 0.94</output>

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

<gadget id="calculator">(47/50) * 1</gadget>
<output>47/50 = around 0.94</output>

<result>47/50 = around 0.94</result>