No problem, we've got 8401 and 6409 to multiply
8401 × 6409 = 6409 × (8401)
+ 6409 × 1 which equals 6409
+ 6409 × 00 which equals 0
+ 6409 × 400 that is equal 2563600
+ 6409 × 8000 yielding 51272000

= 53842009
