No problem, we've got 8649 and 3645 to multiply
8649 × 3645 = 3645 × (8649)
+ 3645 × 9 giving us 32805
+ 3645 × 40 that equals 145800
+ 3645 × 600 that is equal 2187000
+ 3645 × 8000 yielding 29160000

= 31525605
