The students went to participate in the greening activity of building a beautiful city. There are 56 girls and 64 boys. 4 students are divided into groups. How many groups can they be divided into?
同学们去参加建设美丽城市绿化活动，女生有56人，男生有64人，4名学生分成一组，一共可以分成多少组？
<gadget id="calculator">56 + 64</gadget>
<output>120</output>

<gadget id="calculator">120 / 4</gadget>
<output>30</output>

<result>30</result>