The sum of the lengths of the sides of a cuboid is 120 centimeters, what is the sum of the lengths of the sides intersecting at a vertex in centimeters
一个长方体的棱长之和120厘米，相交于一个顶点棱的长度之和是多少厘米
<gadget id="calculator">120 / 4</gadget>
<output>30</output>

<result>30</result>