Alright, let's work through 5178 times 8220 step by step
5178 × 8220 = 8220 × (5178)
+ 8220 × 8 that results in 65760
+ 8220 × 70 yielding 575400
+ 8220 × 100 what gives us 822000
+ 8220 × 5000 producing 41100000

= 42563160
