Alright, let's work through 2112 times 9715 step by step
2112 × 9715 = 9715 × (2112)
+ 9715 × 2 giving us 19430
+ 9715 × 10 that is equal 97150
+ 9715 × 100 which equals 971500
+ 9715 × 2000 that results in 19430000

= 20518080
