No problem, we've got 1433 and 3939 to multiply
1433 × 3939 = 3939 × (1433)
+ 3939 × 3 which equals 11817
+ 3939 × 30 that results in 118170
+ 3939 × 400 resulting in 1575600
+ 3939 × 1000 that results in 3939000

= 5644587
