There are two classes in the third grade. If 4 students are transferred from Class 1 to Class 2, Class 1 will still have 4 more students than Class 2. How much more students are in Class 1 than Class 2?
三年级有两个班，如果从一班调4人到二班，一班还比二班多4人，原来一班比二班多多少人？
<gadget id="calculator">4 + 4 + 4</gadget>
<output>12</output>

<result>12</result>