No problem, we've got 6431 and 8473 to multiply
6431 × 8473 = 8473 × (6431)
+ 8473 × 1 that is equal 8473
+ 8473 × 30 giving us 254190
+ 8473 × 400 that is equal 3389200
+ 8473 × 6000 giving us 50838000

= 54489863
