Alright, let's work through 8412429 times 17018996 step by step
8412429 × 17018996 = 17018996 × (8412429)
+ 17018996 × 9 yielding 153170964
+ 17018996 × 20 which equals 340379920
+ 17018996 × 400 which equals 6807598400
+ 17018996 × 2000 producing 34037992000
+ 17018996 × 10000 which equals 170189960000
+ 17018996 × 400000 that results in 6807598400000
+ 17018996 × 8000000 producing 136151968000000

= 143171095501284
