For a cuboid whose sum of sides is 100 cm, what is the sum of the lengths of the three sides that intersect at a vertex in centimeters?
一个棱长总和是100厘米的长方体，相交于一个顶点的三条棱的长度之和是多少厘米．
<gadget id="calculator">100 / 4</gadget>
<output>25</output>

<result>25</result>