Alright, let's work through 2447 times 378 step by step
2447 × 378 = 378 × (2447)
+ 378 × 7 that results in 2646
+ 378 × 40 that equals 15120
+ 378 × 400 that results in 151200
+ 378 × 2000 what gives us 756000

= 924966
