No problem, we've got 3649 and 3665 to multiply
3649 × 3665 = 3665 × (3649)
+ 3665 × 9 resulting in 32985
+ 3665 × 40 resulting in 146600
+ 3665 × 600 which equals 2199000
+ 3665 × 3000 that is equal 10995000

= 13373585
