No problem, we've got 5447 and 2857 to multiply
5447 × 2857 = 2857 × (5447)
+ 2857 × 7 resulting in 19999
+ 2857 × 40 what gives us 114280
+ 2857 × 400 giving us 1142800
+ 2857 × 5000 which equals 14285000

= 15562079
