There are 3 ribbons, the lengths of which are 12 meters, 8 meters and 16 meters respectively. They should be cut into small pieces of ribbons of equal length respectively, and there will be no leftovers. How many meters is the longest section of the cut ribbon?
有3条丝带，分别长12米、8米和16米，要把它们分别都截成长度相等的小段丝带，且没有剩余．截成的丝带每段最长多少米？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<result>4</result>