The attendance rate on a certain day in the sixth grade is 98%. There are 200 students in the whole grade. How many people are absent on this day?
六年级某天的出勤率是98%，全年级共200人，这天缺勤多少人．
<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">200 * (1/50)</gadget>
<output>4</output>

<result>4</result>