Alright, let's work through 8421050 times 50043330 step by step
8421050 × 50043330 = 50043330 × (8421050)
+ 50043330 × 0 resulting in 0
+ 50043330 × 50 giving us 2502166500
+ 50043330 × 000 resulting in 0
+ 50043330 × 1000 that equals 50043330000
+ 50043330 × 20000 yielding 1000866600000
+ 50043330 × 400000 which equals 20017332000000
+ 50043330 × 8000000 that results in 400346640000000

= 421417384096500
