No problem, we've got 75483081 and 73072344 to multiply
75483081 × 73072344 = 73072344 × (75483081)
+ 73072344 × 1 what gives us 73072344
+ 73072344 × 80 yielding 5845787520
+ 73072344 × 000 that is equal 0
+ 73072344 × 3000 yielding 219217032000
+ 73072344 × 80000 yielding 5845787520000
+ 73072344 × 400000 giving us 29228937600000
+ 73072344 × 5000000 yielding 365361720000000
+ 73072344 × 70000000 producing 5115064080000000

= 5515725661011864
