Alright, let's work through 9874 times 1661 step by step
9874 × 1661 = 1661 × (9874)
+ 1661 × 4 giving us 6644
+ 1661 × 70 resulting in 116270
+ 1661 × 800 that equals 1328800
+ 1661 × 9000 which equals 14949000

= 16400714
