Answer:
So first, find the volume of both figures:
Solid one(to the left) is V=lwh
V=lwh
V=3.75x8x3.75
V=112.5
Now find the volume of the other figure (to the right):
V=lwh
V=8x3.75x8
V=240
Now, add the volumes together:
240+112.5=352.5
Hope this helps :3