Alright, let's work through 8315 times 6708 step by step
8315 × 6708 = 6708 × (8315)
+ 6708 × 5 that equals 33540
+ 6708 × 10 producing 67080
+ 6708 × 300 what gives us 2012400
+ 6708 × 8000 that is equal 53664000

= 55777020
