Alright, let's work through 70424387 times 45115020 step by step
70424387 × 45115020 = 45115020 × (70424387)
+ 45115020 × 7 what gives us 315805140
+ 45115020 × 80 yielding 3609201600
+ 45115020 × 300 that equals 13534506000
+ 45115020 × 4000 which equals 180460080000
+ 45115020 × 20000 yielding 902300400000
+ 45115020 × 400000 producing 18046008000000
+ 45115020 × 0000000 that is equal 0
+ 45115020 × 70000000 which equals 3158051400000000

= 3177197627992740
