We're going to solve 3780 multiplied by 1020
3780 × 1020 = 1020 × (3780)
+ 1020 × 0 yielding 0
+ 1020 × 80 that is equal 81600
+ 1020 × 700 yielding 714000
+ 1020 × 3000 that is equal 3060000

= 3855600
