Alright, let's work through 8250 times 7839 step by step
8250 × 7839 = 7839 × (8250)
+ 7839 × 0 what gives us 0
+ 7839 × 50 that equals 391950
+ 7839 × 200 resulting in 1567800
+ 7839 × 8000 yielding 62712000

= 64671750
