Alright, let's work through 1691 times 1575 step by step
1691 × 1575 = 1575 × (1691)
+ 1575 × 1 resulting in 1575
+ 1575 × 90 which equals 141750
+ 1575 × 600 giving us 945000
+ 1575 × 1000 giving us 1575000

= 2663325
