The sum of the lengths of the sides of a cuboid is 48 cm, what is the sum of the lengths of the three sides intersecting at a vertex in cm?
一个长方体的棱长总和是48cm，相交于一个顶点的三条棱长之和是多少cm．
<gadget id="calculator">48 / 4</gadget>
<output>12</output>

<result>12</result>