Alright, let's work through 18481749 times 43223553 step by step
18481749 × 43223553 = 43223553 × (18481749)
+ 43223553 × 9 what gives us 389011977
+ 43223553 × 40 that is equal 1728942120
+ 43223553 × 700 which equals 30256487100
+ 43223553 × 1000 that equals 43223553000
+ 43223553 × 80000 which equals 3457884240000
+ 43223553 × 400000 what gives us 17289421200000
+ 43223553 × 8000000 that is equal 345788424000000
+ 43223553 × 10000000 what gives us 432235530000000

= 798846857434197
