No problem, we've got 6398 and 9891 to multiply
6398 × 9891 = 9891 × (6398)
+ 9891 × 8 resulting in 79128
+ 9891 × 90 producing 890190
+ 9891 × 300 that equals 2967300
+ 9891 × 6000 resulting in 59346000

= 63282618
