Alright, let's work through 18052503 times 66197235 step by step
18052503 × 66197235 = 66197235 × (18052503)
+ 66197235 × 3 that equals 198591705
+ 66197235 × 00 that equals 0
+ 66197235 × 500 that results in 33098617500
+ 66197235 × 2000 what gives us 132394470000
+ 66197235 × 50000 giving us 3309861750000
+ 66197235 × 000000 that equals 0
+ 66197235 × 8000000 yielding 529577880000000
+ 66197235 × 10000000 what gives us 661972350000000

= 1195025783429205
