Alright, let's work through 72081963 times 18827852 step by step
72081963 × 18827852 = 18827852 × (72081963)
+ 18827852 × 3 producing 56483556
+ 18827852 × 60 producing 1129671120
+ 18827852 × 900 that results in 16945066800
+ 18827852 × 1000 that is equal 18827852000
+ 18827852 × 80000 producing 1506228160000
+ 18827852 × 000000 which equals 0
+ 18827852 × 2000000 yielding 37655704000000
+ 18827852 × 70000000 that equals 1317949640000000

= 1357148531233476
