Alright, let's work through 1593 times 1972 step by step
1593 × 1972 = 1972 × (1593)
+ 1972 × 3 producing 5916
+ 1972 × 90 yielding 177480
+ 1972 × 500 producing 986000
+ 1972 × 1000 yielding 1972000

= 3141396
