Alright, let's work through 5993 times 1604 step by step
5993 × 1604 = 1604 × (5993)
+ 1604 × 3 giving us 4812
+ 1604 × 90 yielding 144360
+ 1604 × 900 that results in 1443600
+ 1604 × 5000 which equals 8020000

= 9612772
