Alright, let's work through 42633954 times 51028021 step by step
42633954 × 51028021 = 51028021 × (42633954)
+ 51028021 × 4 giving us 204112084
+ 51028021 × 50 producing 2551401050
+ 51028021 × 900 resulting in 45925218900
+ 51028021 × 3000 what gives us 153084063000
+ 51028021 × 30000 that results in 1530840630000
+ 51028021 × 600000 giving us 30616812600000
+ 51028021 × 2000000 what gives us 102056042000000
+ 51028021 × 40000000 that is equal 2041120840000000

= 2175526300025034
