No problem, we've got 3080 and 4103 to multiply
3080 × 4103 = 4103 × (3080)
+ 4103 × 0 producing 0
+ 4103 × 80 which equals 328240
+ 4103 × 000 producing 0
+ 4103 × 3000 what gives us 12309000

= 12637240
