Alright, let's work through 4345 times 3821 step by step
4345 × 3821 = 3821 × (4345)
+ 3821 × 5 which equals 19105
+ 3821 × 40 giving us 152840
+ 3821 × 300 giving us 1146300
+ 3821 × 4000 that is equal 15284000

= 16602245
