No problem, we've got 5297 and 1591 to multiply
5297 × 1591 = 1591 × (5297)
+ 1591 × 7 resulting in 11137
+ 1591 × 90 that is equal 143190
+ 1591 × 200 resulting in 318200
+ 1591 × 5000 which equals 7955000

= 8427527
