In the chorus group, 2 people asked for leave yesterday, and the attendance rate was 98%; today, 5 people asked for leave, what is the attendance rate?
合唱组昨天有2人请假，出勤率是98%；今天有5人请假，出勤率是多少．
<gadget id="calculator">98 / 100</gadget>
<output>49/50 = around 0.98</output>

<gadget id="calculator">1 - (49/50)</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">2 / (1/50)</gadget>
<output>100</output>

<gadget id="calculator">100 - 5</gadget>
<output>95</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

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

<gadget id="calculator">(19/20) * 1</gadget>
<output>19/20 = around 0.95</output>

<result>19/20 = around 0.95</result>