Alright, let's work through 78409530 times 33599999 step by step
78409530 × 33599999 = 33599999 × (78409530)
+ 33599999 × 0 giving us 0
+ 33599999 × 30 which equals 1007999970
+ 33599999 × 500 giving us 16799999500
+ 33599999 × 9000 that equals 302399991000
+ 33599999 × 00000 that is equal 0
+ 33599999 × 400000 which equals 13439999600000
+ 33599999 × 8000000 that equals 268799992000000
+ 33599999 × 70000000 producing 2351999930000000

= 2634560129590470
