Alright, let's work through 9912 times 6824 step by step
9912 × 6824 = 6824 × (9912)
+ 6824 × 2 yielding 13648
+ 6824 × 10 producing 68240
+ 6824 × 900 that results in 6141600
+ 6824 × 9000 giving us 61416000

= 67639488
