Alright, let's work through 72468902 times 51523251 step by step
72468902 × 51523251 = 51523251 × (72468902)
+ 51523251 × 2 yielding 103046502
+ 51523251 × 00 that equals 0
+ 51523251 × 900 producing 46370925900
+ 51523251 × 8000 yielding 412186008000
+ 51523251 × 60000 that is equal 3091395060000
+ 51523251 × 400000 giving us 20609300400000
+ 51523251 × 2000000 resulting in 103046502000000
+ 51523251 × 70000000 resulting in 3606627570000000

= 3733833427440402
