Alright, let's work through 6788 times 9781 step by step
6788 × 9781 = 9781 × (6788)
+ 9781 × 8 that results in 78248
+ 9781 × 80 that results in 782480
+ 9781 × 700 what gives us 6846700
+ 9781 × 6000 giving us 58686000

= 66393428
