The clock of the school clock is 80 cm long. After a day and night, how many meters is the distance traveled by its needle tip?
学校大钟的时钟长80厘米，经过一昼夜后，它的针尖走过的路程是多少米？
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">3.14 * 80 * 2 * (1/50)</gadget>
<output>10.048</output>

<result>10.048</result>