Alright, let's work through 3949 times 2138 step by step
3949 × 2138 = 2138 × (3949)
+ 2138 × 9 yielding 19242
+ 2138 × 40 giving us 85520
+ 2138 × 900 that results in 1924200
+ 2138 × 3000 giving us 6414000

= 8442962
