Alright, let's work through 3240 times 8128 step by step
3240 × 8128 = 8128 × (3240)
+ 8128 × 0 that is equal 0
+ 8128 × 40 yielding 325120
+ 8128 × 200 which equals 1625600
+ 8128 × 3000 that results in 24384000

= 26334720
