Alright, let's work through 18045441 times 72209302 step by step
18045441 × 72209302 = 72209302 × (18045441)
+ 72209302 × 1 which equals 72209302
+ 72209302 × 40 which equals 2888372080
+ 72209302 × 400 yielding 28883720800
+ 72209302 × 5000 which equals 361046510000
+ 72209302 × 40000 that equals 2888372080000
+ 72209302 × 000000 what gives us 0
+ 72209302 × 8000000 which equals 577674416000000
+ 72209302 × 10000000 producing 722093020000000

= 1303048698892182
