Alright, let's work through 2978 times 5608 step by step
2978 × 5608 = 5608 × (2978)
+ 5608 × 8 what gives us 44864
+ 5608 × 70 producing 392560
+ 5608 × 900 that equals 5047200
+ 5608 × 2000 resulting in 11216000

= 16700624
