No problem, we've got 3412 and 4020 to multiply
3412 × 4020 = 4020 × (3412)
+ 4020 × 2 that equals 8040
+ 4020 × 10 resulting in 40200
+ 4020 × 400 that is equal 1608000
+ 4020 × 3000 resulting in 12060000

= 13716240
