Alright, let's work through 4490 times 831 step by step
4490 × 831 = 831 × (4490)
+ 831 × 0 what gives us 0
+ 831 × 90 what gives us 74790
+ 831 × 400 giving us 332400
+ 831 × 4000 what gives us 3324000

= 3731190
