Line up the decimal points and multiply the rest like you would normally do it but drop down the decimal at the end
Possible points can be (-3,-7) if moved 8 coordinates to the left, (5,1) if moved 8 coordinates upwards, and (13,-7) if moved 8 coordinates to the right.
Volume of a cube is a side length cubed
So 7*7*7
Answer is 343 centimeters
192 possible plain sandwiches can be made because you would do 4x6x8 which equals 192.