Alright, let's work through 1986 times 8879 step by step
1986 × 8879 = 8879 × (1986)
+ 8879 × 6 giving us 53274
+ 8879 × 80 resulting in 710320
+ 8879 × 900 that results in 7991100
+ 8879 × 1000 that equals 8879000

= 17633694
