Cut two ribbons with a length of 36 cm and 48 cm respectively into short ribbons of the same length and there is no surplus. What is the longest length of each short ribbon in centimeters?
把两根分别长36厘米和48厘米的彩带，剪成长度一样的短彩带且没有剩余，每根短彩带最长是多少厘米．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>