No problem, we've got 1643 and 4279 to multiply
1643 × 4279 = 4279 × (1643)
+ 4279 × 3 giving us 12837
+ 4279 × 40 giving us 171160
+ 4279 × 600 producing 2567400
+ 4279 × 1000 that equals 4279000

= 7030397
