Alright, let's work through 3509 times 3819 step by step
3509 × 3819 = 3819 × (3509)
+ 3819 × 9 resulting in 34371
+ 3819 × 00 which equals 0
+ 3819 × 500 giving us 1909500
+ 3819 × 3000 what gives us 11457000

= 13400871
