There are 50 people in a class, and 3 people are absent today. What is the attendance rate of this class today?
某班50人，今天缺席3人，今天这个班的出勤率是多少．
<gadget id="calculator">50 - 3</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>