40
Or at least that what my calculator says.
You can do 8 + 8 = 16 then minus 1 cuz thats how much you added
For this case we have that by definition, the volume of a cuboid is given by:

Where:
L: It's the long
A: It is the width
h: It is the height
According to the problem data we have:

So, the volume of the cuboid is:

Finally, the volume of the cuboid is: 
Answer:
