No problem, we've got 3449 and 391 to multiply
3449 × 391 = 391 × (3449)
+ 391 × 9 which equals 3519
+ 391 × 40 what gives us 15640
+ 391 × 400 that is equal 156400
+ 391 × 3000 that equals 1173000

= 1348559
