Alright, let's work through 1583 times 4254 step by step
1583 × 4254 = 4254 × (1583)
+ 4254 × 3 that is equal 12762
+ 4254 × 80 what gives us 340320
+ 4254 × 500 that results in 2127000
+ 4254 × 1000 what gives us 4254000

= 6734082
