The sum of the lengths of the sides of a cuboid is 48 centimeters, what is the sum of the lengths of all the sides intersecting at a vertex in centimeters?
长方体棱长总和是48厘米，相交于一个顶点的所有棱长之和是多少厘米．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<result>12</result>