We're going to solve 2021 multiplied by 5187
2021 × 5187 = 5187 × (2021)
+ 5187 × 1 that is equal 5187
+ 5187 × 20 producing 103740
+ 5187 × 000 yielding 0
+ 5187 × 2000 resulting in 10374000

= 10482927
