Alright, let's work through 8429 times 4225 step by step
8429 × 4225 = 4225 × (8429)
+ 4225 × 9 that equals 38025
+ 4225 × 20 resulting in 84500
+ 4225 × 400 producing 1690000
+ 4225 × 8000 resulting in 33800000

= 35612525
