Alright, let's work through 1964 times 1826 step by step
1964 × 1826 = 1826 × (1964)
+ 1826 × 4 that equals 7304
+ 1826 × 60 producing 109560
+ 1826 × 900 that equals 1643400
+ 1826 × 1000 resulting in 1826000

= 3586264
