No problem, we've got 6281 and 1591 to multiply
6281 × 1591 = 1591 × (6281)
+ 1591 × 1 that equals 1591
+ 1591 × 80 what gives us 127280
+ 1591 × 200 that results in 318200
+ 1591 × 6000 that results in 9546000

= 9993071
