Alright, let's work through 8178 times 9740 step by step
8178 × 9740 = 9740 × (8178)
+ 9740 × 8 that is equal 77920
+ 9740 × 70 resulting in 681800
+ 9740 × 100 that is equal 974000
+ 9740 × 8000 giving us 77920000

= 79653720
