Alright, let's work through 1725 times 637 step by step
1725 × 637 = 637 × (1725)
+ 637 × 5 yielding 3185
+ 637 × 20 which equals 12740
+ 637 × 700 yielding 445900
+ 637 × 1000 resulting in 637000

= 1098825
