No problem, we've got 3931 and 659 to multiply
3931 × 659 = 659 × (3931)
+ 659 × 1 that is equal 659
+ 659 × 30 giving us 19770
+ 659 × 900 what gives us 593100
+ 659 × 3000 which equals 1977000

= 2590529
