Alright, let's work through 1091 times 1607 step by step
1091 × 1607 = 1607 × (1091)
+ 1607 × 1 resulting in 1607
+ 1607 × 90 that is equal 144630
+ 1607 × 000 resulting in 0
+ 1607 × 1000 which equals 1607000

= 1753237
