Alright, let's work through 4997 times 378 step by step
4997 × 378 = 378 × (4997)
+ 378 × 7 that equals 2646
+ 378 × 90 that equals 34020
+ 378 × 900 what gives us 340200
+ 378 × 4000 that is equal 1512000

= 1888866
