No problem, we've got 6438 and 9888 to multiply
6438 × 9888 = 9888 × (6438)
+ 9888 × 8 giving us 79104
+ 9888 × 30 resulting in 296640
+ 9888 × 400 which equals 3955200
+ 9888 × 6000 resulting in 59328000

= 63658944
