Alright, let's work through 1107 times 6528 step by step
1107 × 6528 = 6528 × (1107)
+ 6528 × 7 what gives us 45696
+ 6528 × 00 producing 0
+ 6528 × 100 resulting in 652800
+ 6528 × 1000 yielding 6528000

= 7226496
