The sum of the lengths of the sides of a cuboid is 2.4m, what is the sum of the lengths of the three sides of the same vertex in m?
一个长方体棱长总和是2.4m，这个长方体同一个顶点的三条棱长的和是多少m．
<gadget id="calculator">2.4 / 4</gadget>
<output>0.6</output>

<result>0.6</result>