We're going to solve 3820 multiplied by 8057
3820 × 8057 = 8057 × (3820)
+ 8057 × 0 that is equal 0
+ 8057 × 20 that is equal 161140
+ 8057 × 800 resulting in 6445600
+ 8057 × 3000 producing 24171000

= 30777740
