The sum of the lengths of the sides of a cuboid is 180 centimeters, what is the sum of the lengths of the three sides that intersect at a vertex in centimeters
一个长方体的棱长之和是180厘米，相交于一个顶点的三条棱的长度和是多少厘米
<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<result>45</result>