Cut two colored ribbons with a length of 45 cm and 54 cm into short colored ribbons of the same length, and there is no surplus, what is the longest length of each short colored ribbon
把两根长度分别为45厘米和54厘米的彩带剪成长度一样的短彩带，并且没有剩余，每根短彩带最长是多少
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>