Alright, let's work through 50542135 times 50070008 step by step
50542135 × 50070008 = 50070008 × (50542135)
+ 50070008 × 5 that results in 250350040
+ 50070008 × 30 that results in 1502100240
+ 50070008 × 100 yielding 5007000800
+ 50070008 × 2000 giving us 100140016000
+ 50070008 × 40000 yielding 2002800320000
+ 50070008 × 500000 what gives us 25035004000000
+ 50070008 × 0000000 what gives us 0
+ 50070008 × 50000000 that is equal 2503500400000000

= 2530645103787080
