Alright, let's work through 3128 times 3689 step by step
3128 × 3689 = 3689 × (3128)
+ 3689 × 8 which equals 29512
+ 3689 × 20 that is equal 73780
+ 3689 × 100 resulting in 368900
+ 3689 × 3000 that is equal 11067000

= 11539192
