The students worked in the orchard. There were 289 female students and 351 male students. 8 students are divided into one group, how many groups can they be divided into?
同学们在果园劳动，女同学有289人，男同学有351人．8个同学分成一组，一共可以分成几组？
<gadget id="calculator">289 + 351</gadget>
<output>640</output>

<gadget id="calculator">640 / 8</gadget>
<output>80</output>

<result>80</result>