The sum of the lengths of the sides of a cuboid is 36 cm, what is the sum of the lengths of the three sides starting from the same vertex in cm?
一个长方体的棱长总和是36cm，从同一个顶点出发的三条棱长的和是多少cm．
<gadget id="calculator">36 / 4</gadget>
<output>9</output>

<result>9</result>