Alright, let's work through 3965 times 7149 step by step
3965 × 7149 = 7149 × (3965)
+ 7149 × 5 that is equal 35745
+ 7149 × 60 resulting in 428940
+ 7149 × 900 what gives us 6434100
+ 7149 × 3000 that results in 21447000

= 28345785
