Alright, let's work through 9978 times 1819 step by step
9978 × 1819 = 1819 × (9978)
+ 1819 × 8 that equals 14552
+ 1819 × 70 producing 127330
+ 1819 × 900 which equals 1637100
+ 1819 × 9000 yielding 16371000

= 18149982
