Alright, let's work through 8129 times 2129 step by step
8129 × 2129 = 2129 × (8129)
+ 2129 × 9 that is equal 19161
+ 2129 × 20 that is equal 42580
+ 2129 × 100 that equals 212900
+ 2129 × 8000 what gives us 17032000

= 17306641
