Alright, let's work through 3397 times 6260 step by step
3397 × 6260 = 6260 × (3397)
+ 6260 × 7 which equals 43820
+ 6260 × 90 resulting in 563400
+ 6260 × 300 which equals 1878000
+ 6260 × 3000 which equals 18780000

= 21265220
