Alright, let's work through 40724338 times 99086508 step by step
40724338 × 99086508 = 99086508 × (40724338)
+ 99086508 × 8 what gives us 792692064
+ 99086508 × 30 that results in 2972595240
+ 99086508 × 300 giving us 29725952400
+ 99086508 × 4000 that equals 396346032000
+ 99086508 × 20000 that results in 1981730160000
+ 99086508 × 700000 what gives us 69360555600000
+ 99086508 × 0000000 resulting in 0
+ 99086508 × 40000000 yielding 3963460320000000

= 4035232443031704
