No problem, we've got 4598 and 4597 to multiply
4598 × 4597 = 4597 × (4598)
+ 4597 × 8 that results in 36776
+ 4597 × 90 that equals 413730
+ 4597 × 500 that results in 2298500
+ 4597 × 4000 that results in 18388000

= 21137006
