Alright, let's work through 3158 times 9883 step by step
3158 × 9883 = 9883 × (3158)
+ 9883 × 8 that equals 79064
+ 9883 × 50 producing 494150
+ 9883 × 100 that is equal 988300
+ 9883 × 3000 that is equal 29649000

= 31210514
