Alright, let's work through 2311 times 9871 step by step
2311 × 9871 = 9871 × (2311)
+ 9871 × 1 that is equal 9871
+ 9871 × 10 which equals 98710
+ 9871 × 300 resulting in 2961300
+ 9871 × 2000 that equals 19742000

= 22811881
