Alright, let's work through 18168147 times 73185061 step by step
18168147 × 73185061 = 73185061 × (18168147)
+ 73185061 × 7 what gives us 512295427
+ 73185061 × 40 that is equal 2927402440
+ 73185061 × 100 giving us 7318506100
+ 73185061 × 8000 resulting in 585480488000
+ 73185061 × 60000 that equals 4391103660000
+ 73185061 × 100000 what gives us 7318506100000
+ 73185061 × 8000000 which equals 585480488000000
+ 73185061 × 10000000 resulting in 731850610000000

= 1329636946451967
