Alright, let's work through 1129 times 3608 step by step
1129 × 3608 = 3608 × (1129)
+ 3608 × 9 what gives us 32472
+ 3608 × 20 that results in 72160
+ 3608 × 100 which equals 360800
+ 3608 × 1000 that equals 3608000

= 4073432
