Alright, let's work through 17998925 times 72912525 step by step
17998925 × 72912525 = 72912525 × (17998925)
+ 72912525 × 5 that results in 364562625
+ 72912525 × 20 that is equal 1458250500
+ 72912525 × 900 yielding 65621272500
+ 72912525 × 8000 producing 583300200000
+ 72912525 × 90000 resulting in 6562127250000
+ 72912525 × 900000 that equals 65621272500000
+ 72912525 × 7000000 resulting in 510387675000000
+ 72912525 × 10000000 that results in 729125250000000

= 1312347069035625
