Alright, let's work through 3598 times 3170 step by step
3598 × 3170 = 3170 × (3598)
+ 3170 × 8 what gives us 25360
+ 3170 × 90 yielding 285300
+ 3170 × 500 that equals 1585000
+ 3170 × 3000 resulting in 9510000

= 11405660
