Alright, let's work through 50703664 times 72320280 step by step
50703664 × 72320280 = 72320280 × (50703664)
+ 72320280 × 4 that is equal 289281120
+ 72320280 × 60 that is equal 4339216800
+ 72320280 × 600 that is equal 43392168000
+ 72320280 × 3000 producing 216960840000
+ 72320280 × 00000 yielding 0
+ 72320280 × 700000 that results in 50624196000000
+ 72320280 × 0000000 yielding 0
+ 72320280 × 50000000 which equals 3616014000000000

= 3666903177505920
