Alright, let's work through 7905 times 6828 step by step
7905 × 6828 = 6828 × (7905)
+ 6828 × 5 which equals 34140
+ 6828 × 00 what gives us 0
+ 6828 × 900 that is equal 6145200
+ 6828 × 7000 yielding 47796000

= 53975340
