For Zhang Yue's birthday, he bought a round cake with a circumference of 50 cm, and inserted a small candle every 5 cm around it. How many candles are needed?
张悦过生日，买了一个周长为50厘米的圆形蛋糕，在它的四周每隔5厘米插一根小蜡烛，需要多少根蜡烛．
<gadget id="calculator">50 / 5</gadget>
<output>10</output>

<result>10</result>