Let's calculate 40064482 x 41220879
40064482 × 41220879 = 41220879 × (40064482)
+ 41220879 × 2 what gives us 82441758
+ 41220879 × 80 yielding 3297670320
+ 41220879 × 400 what gives us 16488351600
+ 41220879 × 4000 what gives us 164883516000
+ 41220879 × 60000 yielding 2473252740000
+ 41220879 × 000000 that results in 0
+ 41220879 × 0000000 which equals 0
+ 41220879 × 40000000 which equals 1648835160000000

= 1651493164719678
