No problem, we've got 6377 and 1239 to multiply
6377 × 1239 = 1239 × (6377)
+ 1239 × 7 producing 8673
+ 1239 × 70 that results in 86730
+ 1239 × 300 that equals 371700
+ 1239 × 6000 that results in 7434000

= 7901103
