Alright, let's work through 9507 times 8851 step by step
9507 × 8851 = 8851 × (9507)
+ 8851 × 7 which equals 61957
+ 8851 × 00 that results in 0
+ 8851 × 500 that equals 4425500
+ 8851 × 9000 producing 79659000

= 84146457
