The students stand in line on the playground and do exercises. There are 54 people in class 5 and 1. There are 72 people in class five and two. If two classes are in teams with the same number of adults, how many teams should they stand in total?
同学们在操场上站队做操．五1班有54人．五2班有72人．如果两个班站成人数相同的队，一共至少要站多少队？
<gadget id="calculator">2 * 3 * 3</gadget>
<output>18</output>

<gadget id="calculator">54 / 18</gadget>
<output>3</output>

<gadget id="calculator">72 / 18</gadget>
<output>4</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<result>7</result>