Alright, let's work through 80574015 times 42645699 step by step
80574015 × 42645699 = 42645699 × (80574015)
+ 42645699 × 5 that is equal 213228495
+ 42645699 × 10 what gives us 426456990
+ 42645699 × 000 giving us 0
+ 42645699 × 4000 producing 170582796000
+ 42645699 × 70000 which equals 2985198930000
+ 42645699 × 500000 producing 21322849500000
+ 42645699 × 0000000 which equals 0
+ 42645699 × 80000000 that is equal 3411655920000000

= 3436135190911485
