Alright, let's work through 1007 times 7526 step by step
1007 × 7526 = 7526 × (1007)
+ 7526 × 7 producing 52682
+ 7526 × 00 that is equal 0
+ 7526 × 000 yielding 0
+ 7526 × 1000 that is equal 7526000

= 7578682
