No problem, we've got 8645 and 7803 to multiply
8645 × 7803 = 7803 × (8645)
+ 7803 × 5 that is equal 39015
+ 7803 × 40 yielding 312120
+ 7803 × 600 producing 4681800
+ 7803 × 8000 which equals 62424000

= 67456935
