One of the 50 students in the second class of the sixth grade did not take the exam due to illness today. What is the attendance rate of the sixth grade class today?
今天考试六年级二班50人有一人因病没参加考试，今天六一班的出勤率为多少．
<gadget id="calculator">50 - 1</gadget>
<output>49</output>

<gadget id="calculator">49 / 50</gadget>
<output>49/50 = around 0.98</output>

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

<gadget id="calculator">(49/50) * 1</gadget>
<output>49/50 = around 0.98</output>

<result>49/50 = around 0.98</result>