Alright, let's work through 2831 times 2758 step by step
2831 × 2758 = 2758 × (2831)
+ 2758 × 1 resulting in 2758
+ 2758 × 30 yielding 82740
+ 2758 × 800 that results in 2206400
+ 2758 × 2000 giving us 5516000

= 7807898
