Alright, let's work through 6945 times 1408 step by step
6945 × 1408 = 1408 × (6945)
+ 1408 × 5 that results in 7040
+ 1408 × 40 what gives us 56320
+ 1408 × 900 yielding 1267200
+ 1408 × 6000 resulting in 8448000

= 9778560
