Alright, let's work through 5721 times 86 step by step
5721 × 86 = 86 × (5721)
+ 86 × 1 that is equal 86
+ 86 × 20 yielding 1720
+ 86 × 700 that equals 60200
+ 86 × 5000 that results in 430000

= 492006
