There are three iron wires, 12m, 18m, and 24m in length respectively. They should be cut into small sections of the same length without any surplus. How many meters is the longest of each section?
有三条铁丝，分别长12m，18m，24m，要把它们截成同样长的小段，没有剩余，每段最长多少米？
<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<result>6</result>