Alright, let's work through 1981 times 2845 step by step
1981 × 2845 = 2845 × (1981)
+ 2845 × 1 which equals 2845
+ 2845 × 80 producing 227600
+ 2845 × 900 giving us 2560500
+ 2845 × 1000 what gives us 2845000

= 5635945
