Alright, let's work through 1786 times 497 step by step
1786 × 497 = 497 × (1786)
+ 497 × 6 that equals 2982
+ 497 × 80 that results in 39760
+ 497 × 700 producing 347900
+ 497 × 1000 yielding 497000

= 887642
