Alright, let's work through 72461073 times 80514703 step by step
72461073 × 80514703 = 80514703 × (72461073)
+ 80514703 × 3 that is equal 241544109
+ 80514703 × 70 which equals 5636029210
+ 80514703 × 000 which equals 0
+ 80514703 × 1000 that equals 80514703000
+ 80514703 × 60000 that equals 4830882180000
+ 80514703 × 400000 yielding 32205881200000
+ 80514703 × 2000000 that equals 161029406000000
+ 80514703 × 70000000 which equals 5636029210000000

= 5834181771656319
