Alright, let's work through 3129 times 3356 step by step
3129 × 3356 = 3356 × (3129)
+ 3356 × 9 resulting in 30204
+ 3356 × 20 producing 67120
+ 3356 × 100 that is equal 335600
+ 3356 × 3000 producing 10068000

= 10500924
