Alright, let's work through 3183 times 6664 step by step
3183 × 6664 = 6664 × (3183)
+ 6664 × 3 that is equal 19992
+ 6664 × 80 which equals 533120
+ 6664 × 100 that is equal 666400
+ 6664 × 3000 producing 19992000

= 21211512
