Alright, let's work through 1583 times 2079 step by step
1583 × 2079 = 2079 × (1583)
+ 2079 × 3 what gives us 6237
+ 2079 × 80 which equals 166320
+ 2079 × 500 that results in 1039500
+ 2079 × 1000 which equals 2079000

= 3291057
