Alright, let's work through 78763774 times 99674404 step by step
78763774 × 99674404 = 99674404 × (78763774)
+ 99674404 × 4 what gives us 398697616
+ 99674404 × 70 producing 6977208280
+ 99674404 × 700 resulting in 69772082800
+ 99674404 × 3000 giving us 299023212000
+ 99674404 × 60000 yielding 5980464240000
+ 99674404 × 700000 that equals 69772082800000
+ 99674404 × 8000000 what gives us 797395232000000
+ 99674404 × 70000000 yielding 6977208280000000

= 7850732230240696
