Alright, let's work through 40424518 times 91221640 step by step
40424518 × 91221640 = 91221640 × (40424518)
+ 91221640 × 8 that is equal 729773120
+ 91221640 × 10 giving us 912216400
+ 91221640 × 500 which equals 45610820000
+ 91221640 × 4000 that equals 364886560000
+ 91221640 × 20000 what gives us 1824432800000
+ 91221640 × 400000 producing 36488656000000
+ 91221640 × 0000000 which equals 0
+ 91221640 × 40000000 that is equal 3648865600000000

= 3687590828169520
