When New Year's Day arrives, the gardener will use 648 potted flowers to decorate the square, and each pattern will use 18 potted flowers. How many patterns can these flowers form?
元旦到了，园艺师要用648盆花布置广场，每个图案用18盆花，这些花可以组成几个图案？
<gadget id="calculator">648 / 18</gadget>
<output>36</output>

<result>36</result>