Alright, let's work through 3520 times 6379 step by step
3520 × 6379 = 6379 × (3520)
+ 6379 × 0 that is equal 0
+ 6379 × 20 giving us 127580
+ 6379 × 500 that is equal 3189500
+ 6379 × 3000 what gives us 19137000

= 22454080
