Alright, let's work through 21234212 times 51371094 step by step
21234212 × 51371094 = 51371094 × (21234212)
+ 51371094 × 2 that is equal 102742188
+ 51371094 × 10 which equals 513710940
+ 51371094 × 200 resulting in 10274218800
+ 51371094 × 4000 that equals 205484376000
+ 51371094 × 30000 producing 1541132820000
+ 51371094 × 200000 resulting in 10274218800000
+ 51371094 × 1000000 that is equal 51371094000000
+ 51371094 × 20000000 producing 1027421880000000

= 1090824700667928
