The students in the third and fourth grades went to plant trees. There were 38 students in the third grade and 47 students in the fourth grade. 5 students are divided into one group, how many groups can they be divided into?
三、四年级的同学去植树，三年级有38人，四年级有47人．5名同学分为一组，一共可以分成多少组？
<gadget id="calculator">38 + 47</gadget>
<output>85</output>

<gadget id="calculator">85 / 5</gadget>
<output>17</output>

<result>17</result>