Alright, let's work through 7443 times 4004 step by step
7443 × 4004 = 4004 × (7443)
+ 4004 × 3 what gives us 12012
+ 4004 × 40 yielding 160160
+ 4004 × 400 which equals 1601600
+ 4004 × 7000 which equals 28028000

= 29801772
