Cut two ribbons with lengths of 48 cm and 40 cm into short ribbons of the same length, and there is no surplus. What is the longest length of each short ribbon?
把两根长度分别是48厘米和40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">2 * 2 * 2</gadget>
<output>8</output>

<result>8</result>