No problem, we've got 4156 and 2020 to multiply
4156 × 2020 = 2020 × (4156)
+ 2020 × 6 that is equal 12120
+ 2020 × 50 that results in 101000
+ 2020 × 100 producing 202000
+ 2020 × 4000 that results in 8080000

= 8395120
