No problem, we've got 1389 and 3291 to multiply
1389 × 3291 = 3291 × (1389)
+ 3291 × 9 producing 29619
+ 3291 × 80 producing 263280
+ 3291 × 300 that results in 987300
+ 3291 × 1000 that results in 3291000

= 4571199
