No problem, we've got 8636 and 8003 to multiply
8636 × 8003 = 8003 × (8636)
+ 8003 × 6 yielding 48018
+ 8003 × 30 what gives us 240090
+ 8003 × 600 resulting in 4801800
+ 8003 × 8000 producing 64024000

= 69113908
