There are 48 students in Class A and 36 students in Class B. How many students are transferred from Class A to Class B? The number of students in the two classes is equal.
甲班有学生48人，乙班有学生36人，甲班调出多少人到乙班，两班的人数相等．
<gadget id="calculator">48 + 36</gadget>
<output>84</output>

<gadget id="calculator">84 / 2</gadget>
<output>42</output>

<gadget id="calculator">48 - 42</gadget>
<output>6</output>

<result>6</result>