Alright, let's work through 6521 times 6128 step by step
6521 × 6128 = 6128 × (6521)
+ 6128 × 1 that results in 6128
+ 6128 × 20 what gives us 122560
+ 6128 × 500 that results in 3064000
+ 6128 × 6000 that is equal 36768000

= 39960688
