Class 4 and Class 3 line up in two teams to do exercises on the playground. There are boys at the beginning and the end, and a girl is lined up between every two boys. There are 12 boys in each team. How many students are there in the whole class?
四3班排两队到操场上做操，开头和结尾都是男生，每两个男生间排一个女生，每队有男生12人，全班共有学生多少人．
<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<gadget id="calculator">11 + 12</gadget>
<output>23</output>

<gadget id="calculator">23 * 2</gadget>
<output>46</output>

<result>46</result>