The distance from the tip of the minute hand of a wall clock to the center of the clock face is 15 cm. How many centimeters does the tip of the minute hand travel in 1 hour?
一只挂钟的分针尖端到钟面中心的距离是15厘米，经过1小时，该分针的尖端走过的程是多少厘米？
<gadget id="calculator">3.14 * 15 * 2</gadget>
<output>94.2</output>

<result>94.2</result>