The school holds the "I Love China" painting competition. There are 12 classes in the third grade, and each class selects 16 students to participate. If every 8 students are divided into groups, how many groups should they be divided into?
学校举行"我爱中华"绘画大赛，三年级有12个班，每个班选出16名同学参赛，如果每8名同学分成一组，一共要分成多少组？
<gadget id="calculator">12 / 8</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">16 * (3/2)</gadget>
<output>24</output>

<result>24</result>