No problem, we've got 3939 and 5691 to multiply
3939 × 5691 = 5691 × (3939)
+ 5691 × 9 that equals 51219
+ 5691 × 30 giving us 170730
+ 5691 × 900 which equals 5121900
+ 5691 × 3000 what gives us 17073000

= 22416849
