8 x 8 x 8 = 512
-45 plus 512 plus 45 plus 56 = 568
-512 + -14 + 312 = -214
512 + -14 + 312 = 810
512 + 13 + 56 + 2124 = 2705
512 = 1536
512 + 568 = 1080
512 + 49 = 561
384
-512-14+312 is an integer, not a fraction.
The answer is: 286123+203 -512 = 285814
128 x 4 = 512