Alright, let's work through 1597 times 7133 step by step
1597 × 7133 = 7133 × (1597)
+ 7133 × 7 that results in 49931
+ 7133 × 90 what gives us 641970
+ 7133 × 500 what gives us 3566500
+ 7133 × 1000 giving us 7133000

= 11391401
