Alright, let's work through 85379348 times 51376969 step by step
85379348 × 51376969 = 51376969 × (85379348)
+ 51376969 × 8 which equals 411015752
+ 51376969 × 40 what gives us 2055078760
+ 51376969 × 300 producing 15413090700
+ 51376969 × 9000 that is equal 462392721000
+ 51376969 × 70000 what gives us 3596387830000
+ 51376969 × 300000 that is equal 15413090700000
+ 51376969 × 5000000 that equals 256884845000000
+ 51376969 × 80000000 what gives us 4110157520000000

= 4386532115436212
