Alright, let's work through 8102 times 7907 step by step
8102 × 7907 = 7907 × (8102)
+ 7907 × 2 giving us 15814
+ 7907 × 00 producing 0
+ 7907 × 100 which equals 790700
+ 7907 × 8000 resulting in 63256000

= 64062514
