No problem, we've got 4413 and 4521 to multiply
4413 × 4521 = 4521 × (4413)
+ 4521 × 3 giving us 13563
+ 4521 × 10 which equals 45210
+ 4521 × 400 that results in 1808400
+ 4521 × 4000 giving us 18084000

= 19951173
