Alright, let's work through 13823142 times 21229305 step by step
13823142 × 21229305 = 21229305 × (13823142)
+ 21229305 × 2 which equals 42458610
+ 21229305 × 40 resulting in 849172200
+ 21229305 × 100 resulting in 2122930500
+ 21229305 × 3000 yielding 63687915000
+ 21229305 × 20000 yielding 424586100000
+ 21229305 × 800000 what gives us 16983444000000
+ 21229305 × 3000000 which equals 63687915000000
+ 21229305 × 10000000 producing 212293050000000

= 293455697576310
