Alright, let's work through 1809 times 658 step by step
1809 × 658 = 658 × (1809)
+ 658 × 9 resulting in 5922
+ 658 × 00 producing 0
+ 658 × 800 that is equal 526400
+ 658 × 1000 that is equal 658000

= 1190322
