Let's calculate 3723 x 1605
3723 × 1605 = 1605 × (3723)
+ 1605 × 3 that equals 4815
+ 1605 × 20 that results in 32100
+ 1605 × 700 that results in 1123500
+ 1605 × 3000 resulting in 4815000

= 5975415
