Alright, let's work through 5721 times 1598 step by step
5721 × 1598 = 1598 × (5721)
+ 1598 × 1 that results in 1598
+ 1598 × 20 producing 31960
+ 1598 × 700 what gives us 1118600
+ 1598 × 5000 what gives us 7990000

= 9142158
