Correct Answer: 336
Explanation:
3 x 3 x 3 = 27 - 3 = 24
4 x 4 x 4 = 64 - 4 = 60
5 x 5 x 5 = 125 - 5 = 120
6 x 6 x 6 = 216 - 6 = 210
7 x 7 x 7 = 343 - 7 = 336