Alright, let's work through 1406 times 4109 step by step
1406 × 4109 = 4109 × (1406)
+ 4109 × 6 what gives us 24654
+ 4109 × 00 giving us 0
+ 4109 × 400 what gives us 1643600
+ 4109 × 1000 which equals 4109000

= 5777254
