Let's calculate 80120302 x 43431838
80120302 × 43431838 = 43431838 × (80120302)
+ 43431838 × 2 giving us 86863676
+ 43431838 × 00 that equals 0
+ 43431838 × 300 that equals 13029551400
+ 43431838 × 0000 that results in 0
+ 43431838 × 20000 producing 868636760000
+ 43431838 × 100000 yielding 4343183800000
+ 43431838 × 0000000 what gives us 0
+ 43431838 × 80000000 what gives us 3474547040000000

= 3479771976975076
