Alright, let's work through 8288 times 7860 step by step
8288 × 7860 = 7860 × (8288)
+ 7860 × 8 what gives us 62880
+ 7860 × 80 which equals 628800
+ 7860 × 200 that equals 1572000
+ 7860 × 8000 which equals 62880000

= 65143680
