Alright, let's work through 3678 times 3348 step by step
3678 × 3348 = 3348 × (3678)
+ 3348 × 8 which equals 26784
+ 3348 × 70 that is equal 234360
+ 3348 × 600 that is equal 2008800
+ 3348 × 3000 that equals 10044000

= 12313944
