No problem, we've got 1287 and 4991 to multiply
1287 × 4991 = 4991 × (1287)
+ 4991 × 7 that equals 34937
+ 4991 × 80 producing 399280
+ 4991 × 200 that results in 998200
+ 4991 × 1000 which equals 4991000

= 6423417
