Alright, let's work through 42387281 times 56427655 step by step
42387281 × 56427655 = 56427655 × (42387281)
+ 56427655 × 1 that is equal 56427655
+ 56427655 × 80 that equals 4514212400
+ 56427655 × 200 that results in 11285531000
+ 56427655 × 7000 yielding 394993585000
+ 56427655 × 80000 that is equal 4514212400000
+ 56427655 × 300000 which equals 16928296500000
+ 56427655 × 2000000 that is equal 112855310000000
+ 56427655 × 40000000 that equals 2257106200000000

= 2391814868656055
