Alright, let's work through 1210 times 9992 step by step
1210 × 9992 = 9992 × (1210)
+ 9992 × 0 resulting in 0
+ 9992 × 10 that results in 99920
+ 9992 × 200 that equals 1998400
+ 9992 × 1000 resulting in 9992000

= 12090320
