No problem, we've got 4397 and 1507 to multiply
4397 × 1507 = 1507 × (4397)
+ 1507 × 7 giving us 10549
+ 1507 × 90 that equals 135630
+ 1507 × 300 producing 452100
+ 1507 × 4000 yielding 6028000

= 6626279
