Alright, let's work through 1429 times 635 step by step
1429 × 635 = 635 × (1429)
+ 635 × 9 that is equal 5715
+ 635 × 20 producing 12700
+ 635 × 400 which equals 254000
+ 635 × 1000 which equals 635000

= 907415
