Alright, let's work through 21234094 times 10671147 step by step
21234094 × 10671147 = 10671147 × (21234094)
+ 10671147 × 4 that is equal 42684588
+ 10671147 × 90 producing 960403230
+ 10671147 × 000 producing 0
+ 10671147 × 4000 yielding 42684588000
+ 10671147 × 30000 yielding 320134410000
+ 10671147 × 200000 giving us 2134229400000
+ 10671147 × 1000000 that results in 10671147000000
+ 10671147 × 20000000 that equals 213422940000000

= 226592138485818
