Alright, let's work through 47026457 times 67139438 step by step
47026457 × 67139438 = 67139438 × (47026457)
+ 67139438 × 7 resulting in 469976066
+ 67139438 × 50 which equals 3356971900
+ 67139438 × 400 that is equal 26855775200
+ 67139438 × 6000 what gives us 402836628000
+ 67139438 × 20000 yielding 1342788760000
+ 67139438 × 000000 resulting in 0
+ 67139438 × 7000000 resulting in 469976066000000
+ 67139438 × 40000000 producing 2685577520000000

= 3157329894111166
