Alright, let's work through 3598 times 6978 step by step
3598 × 6978 = 6978 × (3598)
+ 6978 × 8 giving us 55824
+ 6978 × 90 resulting in 628020
+ 6978 × 500 which equals 3489000
+ 6978 × 3000 giving us 20934000

= 25106844
