Alright, let's work through 3774581 times 50149421 step by step
3774581 × 50149421 = 50149421 × (3774581)
+ 50149421 × 1 that results in 50149421
+ 50149421 × 80 which equals 4011953680
+ 50149421 × 500 that is equal 25074710500
+ 50149421 × 4000 that is equal 200597684000
+ 50149421 × 70000 yielding 3510459470000
+ 50149421 × 700000 which equals 35104594700000
+ 50149421 × 3000000 which equals 150448263000000

= 189293051667601
