Alright, let's work through 4985 times 331 step by step
4985 × 331 = 331 × (4985)
+ 331 × 5 giving us 1655
+ 331 × 80 producing 26480
+ 331 × 900 giving us 297900
+ 331 × 4000 producing 1324000

= 1650035
