Alright, let's work through 2313 times 5111 step by step
2313 × 5111 = 5111 × (2313)
+ 5111 × 3 giving us 15333
+ 5111 × 10 that is equal 51110
+ 5111 × 300 that is equal 1533300
+ 5111 × 2000 what gives us 10222000

= 11821743
