Let's calculate 1145 x 3777
1145 × 3777 = 3777 × (1145)
+ 3777 × 5 that is equal 18885
+ 3777 × 40 which equals 151080
+ 3777 × 100 that equals 377700
+ 3777 × 1000 that results in 3777000

= 4324665
