Cut a wire into a section of 12m, and there is no remaining section of 15m and 30m. What is the shortest length of this wire?
把一根电线剪成12m一段，15m一段和30m一段都没有剩余，这根电线最短是多少米？
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>