No problem, we've got 1539 and 6686 to multiply
1539 × 6686 = 6686 × (1539)
+ 6686 × 9 that equals 60174
+ 6686 × 30 that results in 200580
+ 6686 × 500 what gives us 3343000
+ 6686 × 1000 giving us 6686000

= 10289754
