Alright, let's work through 40208222 times 81016599 step by step
40208222 × 81016599 = 81016599 × (40208222)
+ 81016599 × 2 what gives us 162033198
+ 81016599 × 20 that results in 1620331980
+ 81016599 × 200 resulting in 16203319800
+ 81016599 × 8000 yielding 648132792000
+ 81016599 × 00000 that results in 0
+ 81016599 × 200000 that results in 16203319800000
+ 81016599 × 0000000 resulting in 0
+ 81016599 × 40000000 yielding 3240663960000000

= 3257533398276978
