Alright, let's work through 72071239 times 61858444 step by step
72071239 × 61858444 = 61858444 × (72071239)
+ 61858444 × 9 resulting in 556725996
+ 61858444 × 30 that is equal 1855753320
+ 61858444 × 200 producing 12371688800
+ 61858444 × 1000 which equals 61858444000
+ 61858444 × 70000 yielding 4330091080000
+ 61858444 × 000000 that results in 0
+ 61858444 × 2000000 which equals 123716888000000
+ 61858444 × 70000000 that results in 4330091080000000

= 4458214701692116
