Alright, let's work through 2997 times 378 step by step
2997 × 378 = 378 × (2997)
+ 378 × 7 that results in 2646
+ 378 × 90 giving us 34020
+ 378 × 900 that is equal 340200
+ 378 × 2000 producing 756000

= 1132866
