Alright, let's work through 8173163 times 54814401 step by step
8173163 × 54814401 = 54814401 × (8173163)
+ 54814401 × 3 which equals 164443203
+ 54814401 × 60 yielding 3288864060
+ 54814401 × 100 what gives us 5481440100
+ 54814401 × 3000 yielding 164443203000
+ 54814401 × 70000 what gives us 3837008070000
+ 54814401 × 100000 which equals 5481440100000
+ 54814401 × 8000000 resulting in 438515208000000

= 448007034120363
