Alright, let's work through 1986 times 8892 step by step
1986 × 8892 = 8892 × (1986)
+ 8892 × 6 what gives us 53352
+ 8892 × 80 which equals 711360
+ 8892 × 900 what gives us 8002800
+ 8892 × 1000 what gives us 8892000

= 17659512
