In a cuboid, the total length of the three edges intersecting at a vertex is 12 decimeters, then what is the sum of the lengths of the edges of this cuboid?
在一个长方体中，相交于一个顶点的三条棱长总共是12分米，那么这个长方体的棱长总和是多少分米．
<gadget id="calculator">12 * 4</gadget>
<output>48</output>

<result>48</result>