Alright, let's work through 2122 times 7689 step by step
2122 × 7689 = 7689 × (2122)
+ 7689 × 2 what gives us 15378
+ 7689 × 20 producing 153780
+ 7689 × 100 that results in 768900
+ 7689 × 2000 that equals 15378000

= 16316058
