Alright, let's work through 4871 times 8765 step by step
4871 × 8765 = 8765 × (4871)
+ 8765 × 1 resulting in 8765
+ 8765 × 70 which equals 613550
+ 8765 × 800 giving us 7012000
+ 8765 × 4000 which equals 35060000

= 42694315
