Put chrysanthemums around the flowerbed, and put a potted flower every 1 meter. A total of 20 meters long around the flower garden. How many pots of chrysanthemums do you need?
在花圃的周围放上菊花，每隔1米放1盆花．花圃周围共20米长．需放多少盆菊花？
<gadget id="calculator">20 / 1</gadget>
<output>20</output>

<result>20</result>