Alright, let's work through 2113 times 9810 step by step
2113 × 9810 = 9810 × (2113)
+ 9810 × 3 resulting in 29430
+ 9810 × 10 giving us 98100
+ 9810 × 100 giving us 981000
+ 9810 × 2000 which equals 19620000

= 20728530
