Alright, let's work through 42344875 times 77579547 step by step
42344875 × 77579547 = 77579547 × (42344875)
+ 77579547 × 5 that equals 387897735
+ 77579547 × 70 that is equal 5430568290
+ 77579547 × 800 that equals 62063637600
+ 77579547 × 4000 giving us 310318188000
+ 77579547 × 40000 yielding 3103181880000
+ 77579547 × 300000 that equals 23273864100000
+ 77579547 × 2000000 which equals 155159094000000
+ 77579547 × 40000000 that is equal 3103181880000000

= 3285096220271625
