Alright, let's work through 3146 times 688 step by step
3146 × 688 = 688 × (3146)
+ 688 × 6 producing 4128
+ 688 × 40 yielding 27520
+ 688 × 100 producing 68800
+ 688 × 3000 that results in 2064000

= 2164448
