We're going to solve 7978 multiplied by 6410
7978 × 6410 = 6410 × (7978)
+ 6410 × 8 yielding 51280
+ 6410 × 70 which equals 448700
+ 6410 × 900 what gives us 5769000
+ 6410 × 7000 resulting in 44870000

= 51138980
