Alright, let's work through 1921 times 9883 step by step
1921 × 9883 = 9883 × (1921)
+ 9883 × 1 producing 9883
+ 9883 × 20 resulting in 197660
+ 9883 × 900 which equals 8894700
+ 9883 × 1000 what gives us 9883000

= 18985243
