If the length of an arc is (1/24) of the circumference of the circle it is on, what is the central angle subtended by the arc?
如果一弧长是其所在圆周长的(1/24)，那么这条弧所对的圆心角为多少°
<gadget id="calculator">1 / 24</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">360 * (1/24)</gadget>
<output>15</output>

<result>15</result>