No problem, we've got 5907 and 2539 to multiply
5907 × 2539 = 2539 × (5907)
+ 2539 × 7 what gives us 17773
+ 2539 × 00 which equals 0
+ 2539 × 900 resulting in 2285100
+ 2539 × 5000 giving us 12695000

= 14997873
