Alright, let's work through 42154742 times 75454234 step by step
42154742 × 75454234 = 75454234 × (42154742)
+ 75454234 × 2 that is equal 150908468
+ 75454234 × 40 giving us 3018169360
+ 75454234 × 700 that results in 52817963800
+ 75454234 × 4000 that is equal 301816936000
+ 75454234 × 50000 producing 3772711700000
+ 75454234 × 100000 that results in 7545423400000
+ 75454234 × 2000000 resulting in 150908468000000
+ 75454234 × 40000000 producing 3018169360000000

= 3180753767077628
