Two ropes with lengths of 60 and 36 centimeters are cut into the same small pieces, and no surplus is allowed. The maximum length of each piece is how many centimeters.
两根长分别是60、36厘米的绳子截成相同的小段，不许剩余，每段最多长多少厘米．
<gadget id="calculator">2 * 2 * 3</gadget>
<output>12</output>

<result>12</result>