No problem, we've got 89575064 and 99965897 to multiply
89575064 × 99965897 = 99965897 × (89575064)
+ 99965897 × 4 which equals 399863588
+ 99965897 × 60 resulting in 5997953820
+ 99965897 × 000 what gives us 0
+ 99965897 × 5000 that is equal 499829485000
+ 99965897 × 70000 that is equal 6997612790000
+ 99965897 × 500000 that equals 49982948500000
+ 99965897 × 9000000 yielding 899693073000000
+ 99965897 × 80000000 producing 7997271760000000

= 8954451621592408
