Alright, let's work through 5804 times 71 step by step
5804 × 71 = 71 × (5804)
+ 71 × 4 that equals 284
+ 71 × 00 that is equal 0
+ 71 × 800 that is equal 56800
+ 71 × 5000 that is equal 355000

= 412084
