Alright, let's work through 72969849 times 89247039 step by step
72969849 × 89247039 = 89247039 × (72969849)
+ 89247039 × 9 yielding 803223351
+ 89247039 × 40 producing 3569881560
+ 89247039 × 800 that results in 71397631200
+ 89247039 × 9000 yielding 803223351000
+ 89247039 × 60000 that equals 5354822340000
+ 89247039 × 900000 that equals 80322335100000
+ 89247039 × 2000000 yielding 178494078000000
+ 89247039 × 70000000 giving us 6247292730000000

= 6512342959527111
