No problem, we've got 5201 and 1640 to multiply
5201 × 1640 = 1640 × (5201)
+ 1640 × 1 that is equal 1640
+ 1640 × 00 that is equal 0
+ 1640 × 200 resulting in 328000
+ 1640 × 5000 yielding 8200000

= 8529640
