There are 50 students in Class 6 and Class 2. Today's absence rate is 4%. How many people came to school today?
六2班共有50名同学，今天的缺勤率是4%，今天到校的有多少人．
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">1 - (1/25)</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">50 * (24/25)</gadget>
<output>48</output>

<result>48</result>