Alright, let's work through 67638024 times 80279545 step by step
67638024 × 80279545 = 80279545 × (67638024)
+ 80279545 × 4 that is equal 321118180
+ 80279545 × 20 producing 1605590900
+ 80279545 × 000 resulting in 0
+ 80279545 × 8000 what gives us 642236360000
+ 80279545 × 30000 that results in 2408386350000
+ 80279545 × 600000 which equals 48167727000000
+ 80279545 × 7000000 which equals 561956815000000
+ 80279545 × 60000000 that equals 4816772700000000

= 5429949791419080
