Alright, let's work through 7659 times 8902 step by step
7659 × 8902 = 8902 × (7659)
+ 8902 × 9 resulting in 80118
+ 8902 × 50 giving us 445100
+ 8902 × 600 that is equal 5341200
+ 8902 × 7000 yielding 62314000

= 68180418
