No problem, we've got 8591 and 3659 to multiply
8591 × 3659 = 3659 × (8591)
+ 3659 × 1 that is equal 3659
+ 3659 × 90 which equals 329310
+ 3659 × 500 that is equal 1829500
+ 3659 × 8000 that equals 29272000

= 31434469
