Alright, let's work through 9078 times 2178 step by step
9078 × 2178 = 2178 × (9078)
+ 2178 × 8 producing 17424
+ 2178 × 70 which equals 152460
+ 2178 × 000 what gives us 0
+ 2178 × 9000 giving us 19602000

= 19771884
