Alright, let's work through 8407 times 3123 step by step
8407 × 3123 = 3123 × (8407)
+ 3123 × 7 what gives us 21861
+ 3123 × 00 that equals 0
+ 3123 × 400 that is equal 1249200
+ 3123 × 8000 giving us 24984000

= 26255061
