Alright, let's work through 72622736 times 60987446 step by step
72622736 × 60987446 = 60987446 × (72622736)
+ 60987446 × 6 that results in 365924676
+ 60987446 × 30 producing 1829623380
+ 60987446 × 700 yielding 42691212200
+ 60987446 × 2000 giving us 121974892000
+ 60987446 × 20000 which equals 1219748920000
+ 60987446 × 600000 which equals 36592467600000
+ 60987446 × 2000000 what gives us 121974892000000
+ 60987446 × 70000000 producing 4269121220000000

= 4429075190172256
