No problem, we've got 5120 and 5145 to multiply
5120 × 5145 = 5145 × (5120)
+ 5145 × 0 yielding 0
+ 5145 × 20 that equals 102900
+ 5145 × 100 producing 514500
+ 5145 × 5000 producing 25725000

= 26342400
