The minute hand of a wall clock is 1.2 decimeters long, how many centimeters does the tip of the minute hand move from 12:00 to 12:45?
一个挂钟的分针长1.2分米，从12时到12时45分，分针针尖移动了多少厘米？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3.14 * 1.2 * 10 * 2 * (3/4)</gadget>
<output>56.52</output>

<result>56.52</result>