Alright, let's work through 50303771 times 13219347 step by step
50303771 × 13219347 = 13219347 × (50303771)
+ 13219347 × 1 that equals 13219347
+ 13219347 × 70 resulting in 925354290
+ 13219347 × 700 that results in 9253542900
+ 13219347 × 3000 that is equal 39658041000
+ 13219347 × 00000 resulting in 0
+ 13219347 × 300000 yielding 3965804100000
+ 13219347 × 0000000 giving us 0
+ 13219347 × 50000000 what gives us 660967350000000

= 664983004257537
