Alright, let's work through 43055138 times 80198619 step by step
43055138 × 80198619 = 80198619 × (43055138)
+ 80198619 × 8 what gives us 641588952
+ 80198619 × 30 that is equal 2405958570
+ 80198619 × 100 which equals 8019861900
+ 80198619 × 5000 what gives us 400993095000
+ 80198619 × 50000 yielding 4009930950000
+ 80198619 × 000000 producing 0
+ 80198619 × 3000000 producing 240595857000000
+ 80198619 × 40000000 producing 3207944760000000

= 3452962608454422
