No problem, we've got 4084 and 3139 to multiply
4084 × 3139 = 3139 × (4084)
+ 3139 × 4 resulting in 12556
+ 3139 × 80 giving us 251120
+ 3139 × 000 that equals 0
+ 3139 × 4000 that results in 12556000

= 12819676
