Alright, let's work through 1587 times 3231 step by step
1587 × 3231 = 3231 × (1587)
+ 3231 × 7 yielding 22617
+ 3231 × 80 yielding 258480
+ 3231 × 500 which equals 1615500
+ 3231 × 1000 what gives us 3231000

= 5127597
