Alright, let's work through 39147867 times 77026102 step by step
39147867 × 77026102 = 77026102 × (39147867)
+ 77026102 × 7 producing 539182714
+ 77026102 × 60 that results in 4621566120
+ 77026102 × 800 that is equal 61620881600
+ 77026102 × 7000 that is equal 539182714000
+ 77026102 × 40000 that is equal 3081044080000
+ 77026102 × 100000 resulting in 7702610200000
+ 77026102 × 9000000 producing 693234918000000
+ 77026102 × 30000000 which equals 2310783060000000

= 3015407596624434
