Alright, let's work through 1804 times 4339 step by step
1804 × 4339 = 4339 × (1804)
+ 4339 × 4 that is equal 17356
+ 4339 × 00 yielding 0
+ 4339 × 800 that equals 3471200
+ 4339 × 1000 that equals 4339000

= 7827556
