Alright, let's work through 9964 times 3818 step by step
9964 × 3818 = 3818 × (9964)
+ 3818 × 4 giving us 15272
+ 3818 × 60 what gives us 229080
+ 3818 × 900 which equals 3436200
+ 3818 × 9000 that equals 34362000

= 38042552
