Alright, let's work through 8872 times 8456 step by step
8872 × 8456 = 8456 × (8872)
+ 8456 × 2 resulting in 16912
+ 8456 × 70 producing 591920
+ 8456 × 800 resulting in 6764800
+ 8456 × 8000 that equals 67648000

= 75021632
