There are 3 classes in the sixth grade of Dongfeng Primary School, and the attendance rate on a certain day is 96%. It is known that there are 2 people absent from each class on average, how many people from all grades come to school on this day.
东风小学六年级有3个班，某一天的出勤率是96%．已知平均每班有2人缺席，这一天全年级共有多少人到校上课．
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">96 / 100</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">1 - (24/25)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">6 / (1/25)</gadget>
<output>150</output>

<gadget id="calculator">150 - 6</gadget>
<output>144</output>

<result>144</result>