No problem, we've got 3187 and 6497 to multiply
3187 × 6497 = 6497 × (3187)
+ 6497 × 7 that equals 45479
+ 6497 × 80 which equals 519760
+ 6497 × 100 giving us 649700
+ 6497 × 3000 what gives us 19491000

= 20705939
