Alright, let's work through 18056909 times 77499896 step by step
18056909 × 77499896 = 77499896 × (18056909)
+ 77499896 × 9 yielding 697499064
+ 77499896 × 00 producing 0
+ 77499896 × 900 resulting in 69749906400
+ 77499896 × 6000 producing 464999376000
+ 77499896 × 50000 producing 3874994800000
+ 77499896 × 000000 what gives us 0
+ 77499896 × 8000000 that is equal 619999168000000
+ 77499896 × 10000000 resulting in 774998960000000

= 1399408569581464
