Alright, let's work through 6290 times 6288 step by step
6290 × 6288 = 6288 × (6290)
+ 6288 × 0 yielding 0
+ 6288 × 90 yielding 565920
+ 6288 × 200 that equals 1257600
+ 6288 × 6000 resulting in 37728000

= 39551520
