Alright, let's work through 4085 times 8243 step by step
4085 × 8243 = 8243 × (4085)
+ 8243 × 5 which equals 41215
+ 8243 × 80 giving us 659440
+ 8243 × 000 that equals 0
+ 8243 × 4000 resulting in 32972000

= 33672655
