Alright, let's work through 7645 times 6885 step by step
7645 × 6885 = 6885 × (7645)
+ 6885 × 5 that equals 34425
+ 6885 × 40 yielding 275400
+ 6885 × 600 producing 4131000
+ 6885 × 7000 what gives us 48195000

= 52635825
