In one school 48% of the students are girls. 25% of girls and 50% of boys go to school by bus. What is the percentage of students in this school who go to school by bus
有一所学校48%的学生是女生．有25%的女生和50%的男生坐公共汽车上学．这所学校坐公共汽车上学的学生占全校学生人数的百分数是多少
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">48 / 100</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">(1/4) * (12/25)</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (12/25)</gadget>
<output>13/25 = around 0.52</output>

<gadget id="calculator">(1/2) * (13/25)</gadget>
<output>13/50 = around 0.26</output>

<gadget id="calculator">(3/25) + (13/50)</gadget>
<output>19/50 = around 0.38</output>

<result>19/50 = around 0.38</result>