Alright, let's work through 1128 times 1590 step by step
1128 × 1590 = 1590 × (1128)
+ 1590 × 8 that is equal 12720
+ 1590 × 20 what gives us 31800
+ 1590 × 100 what gives us 159000
+ 1590 × 1000 yielding 1590000

= 1793520
