Alright, let's work through 79583238 times 65123902 step by step
79583238 × 65123902 = 65123902 × (79583238)
+ 65123902 × 8 that results in 520991216
+ 65123902 × 30 producing 1953717060
+ 65123902 × 200 resulting in 13024780400
+ 65123902 × 3000 that results in 195371706000
+ 65123902 × 80000 yielding 5209912160000
+ 65123902 × 500000 that results in 32561951000000
+ 65123902 × 9000000 what gives us 586115118000000
+ 65123902 × 70000000 what gives us 4558673140000000

= 5182770992354676
