No problem, we've got 5447 and 1428 to multiply
5447 × 1428 = 1428 × (5447)
+ 1428 × 7 that equals 9996
+ 1428 × 40 which equals 57120
+ 1428 × 400 that is equal 571200
+ 1428 × 5000 resulting in 7140000

= 7778316
