Classes A and B have a total of 104 students. Among them, boys account for 62.5% of the students in class A, and girls account for 3/8 of the students in class B. How many girls are there in class A and B?
甲乙两班共有学生104人，其中甲班学生中男生占本班的62.5%，乙班学生中女生占本班人数的(3/8)，甲乙两班共有女生多少人？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">104 * (5/8)</gadget>
<output>65</output>

<gadget id="calculator">104 - 65</gadget>
<output>39</output>

<result>39</result>