Alright, let's work through 74047663 times 51789343 step by step
74047663 × 51789343 = 51789343 × (74047663)
+ 51789343 × 3 producing 155368029
+ 51789343 × 60 producing 3107360580
+ 51789343 × 600 resulting in 31073605800
+ 51789343 × 7000 resulting in 362525401000
+ 51789343 × 40000 what gives us 2071573720000
+ 51789343 × 000000 which equals 0
+ 51789343 × 4000000 that is equal 207157372000000
+ 51789343 × 70000000 yielding 3625254010000000

= 3834879817455409
