Alright, let's work through 42309543 times 94570842 step by step
42309543 × 94570842 = 94570842 × (42309543)
+ 94570842 × 3 what gives us 283712526
+ 94570842 × 40 yielding 3782833680
+ 94570842 × 500 yielding 47285421000
+ 94570842 × 9000 producing 851137578000
+ 94570842 × 00000 that is equal 0
+ 94570842 × 300000 that equals 28371252600000
+ 94570842 × 2000000 that equals 189141684000000
+ 94570842 × 40000000 that results in 3782833680000000

= 4001249106145206
