We're going to solve 3398 multiplied by 3649
3398 × 3649 = 3649 × (3398)
+ 3649 × 8 giving us 29192
+ 3649 × 90 what gives us 328410
+ 3649 × 300 that equals 1094700
+ 3649 × 3000 producing 10947000

= 12399302
