Alright, let's work through 72613802 times 68168353 step by step
72613802 × 68168353 = 68168353 × (72613802)
+ 68168353 × 2 producing 136336706
+ 68168353 × 00 which equals 0
+ 68168353 × 800 that equals 54534682400
+ 68168353 × 3000 that results in 204505059000
+ 68168353 × 10000 yielding 681683530000
+ 68168353 × 600000 resulting in 40901011800000
+ 68168353 × 2000000 giving us 136336706000000
+ 68168353 × 70000000 which equals 4771784710000000

= 4949963287408106
