No problem, we've got 1390 and 9104 to multiply
1390 × 9104 = 9104 × (1390)
+ 9104 × 0 that results in 0
+ 9104 × 90 resulting in 819360
+ 9104 × 300 that equals 2731200
+ 9104 × 1000 producing 9104000

= 12654560
