The school has planted some potted flowers. If 4 pots are placed in each classroom, 18 classrooms can be accommodated. If 3 pots are placed in each classroom, how many classrooms can be accommodated?
学校栽了一些盆花，如果每个教室放4盆，可以放18个教室，如果每个教室放3盆，可以放多少个教室？
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>