There were 50 students in Class Six 2 last semester, and the number of students decreased by 4% this semester. How many students are there in Class Six 2 this semester?
六2班上学期有50人，这学期学生人数减少了4%，这学期六2班有学生多少人．
<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>