Alright, let's work through 8629 times 9407 step by step
8629 × 9407 = 9407 × (8629)
+ 9407 × 9 which equals 84663
+ 9407 × 20 which equals 188140
+ 9407 × 600 giving us 5644200
+ 9407 × 8000 that is equal 75256000

= 81173003
