Alright, let's work through 4005 times 5594 step by step
4005 × 5594 = 5594 × (4005)
+ 5594 × 5 that is equal 27970
+ 5594 × 00 what gives us 0
+ 5594 × 000 producing 0
+ 5594 × 4000 that equals 22376000

= 22403970
