No problem, we've got 6499 and 6109 to multiply
6499 × 6109 = 6109 × (6499)
+ 6109 × 9 that equals 54981
+ 6109 × 90 producing 549810
+ 6109 × 400 what gives us 2443600
+ 6109 × 6000 which equals 36654000

= 39702391
