Alright, let's work through 2146 times 1686 step by step
2146 × 1686 = 1686 × (2146)
+ 1686 × 6 which equals 10116
+ 1686 × 40 which equals 67440
+ 1686 × 100 giving us 168600
+ 1686 × 2000 that is equal 3372000

= 3618156
