Alright, let's work through 1212 times 8388 step by step
1212 × 8388 = 8388 × (1212)
+ 8388 × 2 that results in 16776
+ 8388 × 10 which equals 83880
+ 8388 × 200 giving us 1677600
+ 8388 × 1000 resulting in 8388000

= 10166256
