We're going to solve 7860 multiplied by 4287
7860 × 4287 = 4287 × (7860)
+ 4287 × 0 producing 0
+ 4287 × 60 what gives us 257220
+ 4287 × 800 producing 3429600
+ 4287 × 7000 yielding 30009000

= 33695820
