No problem, we've got 80379570 and 50384322 to multiply
80379570 × 50384322 = 50384322 × (80379570)
+ 50384322 × 0 what gives us 0
+ 50384322 × 70 giving us 3526902540
+ 50384322 × 500 that is equal 25192161000
+ 50384322 × 9000 yielding 453458898000
+ 50384322 × 70000 that is equal 3526902540000
+ 50384322 × 300000 that is equal 15115296600000
+ 50384322 × 0000000 that results in 0
+ 50384322 × 80000000 producing 4030745760000000

= 4049870137101540
