We're going to solve 3398 multiplied by 6516
3398 × 6516 = 6516 × (3398)
+ 6516 × 8 giving us 52128
+ 6516 × 90 that results in 586440
+ 6516 × 300 that equals 1954800
+ 6516 × 3000 that equals 19548000

= 22141368
