Alright, let's work through 2122 times 7775 step by step
2122 × 7775 = 7775 × (2122)
+ 7775 × 2 that equals 15550
+ 7775 × 20 giving us 155500
+ 7775 × 100 which equals 777500
+ 7775 × 2000 giving us 15550000

= 16498550
