"Safe Campus" is a monthly magazine, issued once a month, the latest issue is the 72nd issue. How many years has "Safe Campus" been published?
《平安校园》是月刊，每月发行一期，最新的一期是第72期．《平安校园》创刊多少年了？
<gadget id="calculator">72 / 12</gadget>
<output>6</output>

<result>6</result>