Alright, let's work through 1878 times 9020 step by step
1878 × 9020 = 9020 × (1878)
+ 9020 × 8 resulting in 72160
+ 9020 × 70 resulting in 631400
+ 9020 × 800 producing 7216000
+ 9020 × 1000 what gives us 9020000

= 16939560
