No problem, we've got 3149 and 3893 to multiply
3149 × 3893 = 3893 × (3149)
+ 3893 × 9 what gives us 35037
+ 3893 × 40 which equals 155720
+ 3893 × 100 yielding 389300
+ 3893 × 3000 that is equal 11679000

= 12259057
