There is a big clock hanging in the lobby of the hotel, and its minute hand is 48 cm long. How many centimeters does the tip of the minute hand travel in one revolution?
饭店的大厅内挂着一只大钟，它的分针长48厘米．这根分针的尖端转动一周所走的路程是多少厘米？
<gadget id="calculator">3.14 * 48 * 2</gadget>
<output>301.44</output>

<result>301.44</result>