Alright, let's work through 7688 times 8422 step by step
7688 × 8422 = 8422 × (7688)
+ 8422 × 8 yielding 67376
+ 8422 × 80 what gives us 673760
+ 8422 × 600 that equals 5053200
+ 8422 × 7000 giving us 58954000

= 64748336
