Alright, let's work through 3865 times 1448 step by step
3865 × 1448 = 1448 × (3865)
+ 1448 × 5 what gives us 7240
+ 1448 × 60 that equals 86880
+ 1448 × 800 which equals 1158400
+ 1448 × 3000 that is equal 4344000

= 5596520
