Alright, let's work through 43078839 times 43429318 step by step
43078839 × 43429318 = 43429318 × (43078839)
+ 43429318 × 9 producing 390863862
+ 43429318 × 30 yielding 1302879540
+ 43429318 × 800 giving us 34743454400
+ 43429318 × 8000 which equals 347434544000
+ 43429318 × 70000 yielding 3040052260000
+ 43429318 × 000000 resulting in 0
+ 43429318 × 3000000 resulting in 130287954000000
+ 43429318 × 40000000 yielding 1737172720000000

= 1870884598001802
