We're going to solve 3420 multiplied by 1213
3420 × 1213 = 1213 × (3420)
+ 1213 × 0 that results in 0
+ 1213 × 20 which equals 24260
+ 1213 × 400 yielding 485200
+ 1213 × 3000 giving us 3639000

= 4148460
