Alright, let's work through 5430 times 5804 step by step
5430 × 5804 = 5804 × (5430)
+ 5804 × 0 giving us 0
+ 5804 × 30 what gives us 174120
+ 5804 × 400 what gives us 2321600
+ 5804 × 5000 yielding 29020000

= 31515720
