Alright, let's work through 9871 times 2763 step by step
9871 × 2763 = 2763 × (9871)
+ 2763 × 1 what gives us 2763
+ 2763 × 70 which equals 193410
+ 2763 × 800 giving us 2210400
+ 2763 × 9000 that is equal 24867000

= 27273573
