Alright, let's work through 3588 times 6464 step by step
3588 × 6464 = 6464 × (3588)
+ 6464 × 8 that results in 51712
+ 6464 × 80 that equals 517120
+ 6464 × 500 which equals 3232000
+ 6464 × 3000 what gives us 19392000

= 23192832
