One person in class six years asked for leave today, and the attendance rate is 98%. How many people are there in class six years?
六年一班今天有1人请假，出勤率是98%，六年一班共有多少人．
<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">1 / (1/50)</gadget>
<output>50</output>

<result>50</result>