Two cube-shaped boxes are stacked one above the other. The volume of one box is 512 cubic meters, and the volume of the other box is 216 cubic meters.

The total height of the stacked boxes is BLANK meters.

PLS FILL IN THE BLANK

2 answers

cube-shaped implies all sides of the cube are equal
so the sides for the two cubes are (512)^(1/3) and (216)^(1/3)
or 8 and ?? metres

so the stack is ??? m high
What sopposed to be in the box