No problem, we've got 8639 and 6178 to multiply
8639 × 6178 = 6178 × (8639)
+ 6178 × 9 yielding 55602
+ 6178 × 30 that equals 185340
+ 6178 × 600 which equals 3706800
+ 6178 × 8000 which equals 49424000

= 53371742
