Alright, let's work through 47248079 times 77790957 step by step
47248079 × 77790957 = 77790957 × (47248079)
+ 77790957 × 9 that results in 700118613
+ 77790957 × 70 producing 5445366990
+ 77790957 × 000 producing 0
+ 77790957 × 8000 that results in 622327656000
+ 77790957 × 40000 yielding 3111638280000
+ 77790957 × 200000 producing 15558191400000
+ 77790957 × 7000000 giving us 544536699000000
+ 77790957 × 40000000 resulting in 3111638280000000

= 3675473281821603
