Alright, let's work through 67264179 times 99071361 step by step
67264179 × 99071361 = 99071361 × (67264179)
+ 99071361 × 9 what gives us 891642249
+ 99071361 × 70 that results in 6934995270
+ 99071361 × 100 giving us 9907136100
+ 99071361 × 4000 what gives us 396285444000
+ 99071361 × 60000 that results in 5944281660000
+ 99071361 × 200000 which equals 19814272200000
+ 99071361 × 7000000 giving us 693499527000000
+ 99071361 × 60000000 what gives us 5944281660000000

= 6663953760077619
