Two iron wires are 36 cm and 60 cm long respectively. If they are cut into equal pieces and there is no surplus, what is the longest length of each piece in centimeters?
两根铁丝分别长36厘米和60厘米，把它们剪成相等的小段而没有剩余，每小段最长是多少厘米．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>