The third-grade students went to work in the orchard. There were 122 male students and 121 female students. Every 9 students were divided into groups. How many groups were there in total?
三年级同学去果园劳动，男同学去了122人，女同学去了121人，每9人分成一组，一共分几组？
<gadget id="calculator">122 + 121</gadget>
<output>243</output>

<gadget id="calculator">243 / 9</gadget>
<output>27</output>

<result>27</result>