Alright, let's work through 6651 times 8178 step by step
6651 × 8178 = 8178 × (6651)
+ 8178 × 1 producing 8178
+ 8178 × 50 that equals 408900
+ 8178 × 600 that is equal 4906800
+ 8178 × 6000 that results in 49068000

= 54391878
