No problem, we've got 4159 and 3181 to multiply
4159 × 3181 = 3181 × (4159)
+ 3181 × 9 that equals 28629
+ 3181 × 50 that is equal 159050
+ 3181 × 100 yielding 318100
+ 3181 × 4000 yielding 12724000

= 13229779
