A necklace is 60cm long and has a crystal every 5cm. How many crystals are there in this necklace?
一条项链长60cm，每隔5cm有一颗水晶，这条项链上共有多少颗水晶？
<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<result>12</result>