Alright, let's work through 9871 times 1546 step by step
9871 × 1546 = 1546 × (9871)
+ 1546 × 1 yielding 1546
+ 1546 × 70 yielding 108220
+ 1546 × 800 yielding 1236800
+ 1546 × 9000 that is equal 13914000

= 15260566
