There are two pieces of wood with a length of 24 meters and 20 meters respectively. Now they are to be sawn into short pieces of the same length without any remaining pieces. What is the longest length of each short piece of wood?
有两根长度分别是24米和20米的木料，现在要把它们锯成一样长的短木且都没有剩余，每根短木最长是多少米？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<result>4</result>