Pigeons can fly 2 kilometers per minute, and swifts can fly 3 kilometers more than pigeons per minute. How many kilometers can swifts fly per hour?
鸽子每分钟可以飞2千米，雨燕每分钟飞的距离比鸽子多3千米．雨燕每小时可以飞多少千米？
<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">5 * 60</gadget>
<output>300</output>

<result>300</result>