No problem, we've got 6464 and 1250 to multiply
6464 × 1250 = 1250 × (6464)
+ 1250 × 4 which equals 5000
+ 1250 × 60 resulting in 75000
+ 1250 × 400 that equals 500000
+ 1250 × 6000 that is equal 7500000

= 8080000
