Alright, let's work through 4007 times 6557 step by step
4007 × 6557 = 6557 × (4007)
+ 6557 × 7 yielding 45899
+ 6557 × 00 that equals 0
+ 6557 × 000 which equals 0
+ 6557 × 4000 that is equal 26228000

= 26273899
