Alright, let's work through 7984 times 6661 step by step
7984 × 6661 = 6661 × (7984)
+ 6661 × 4 that is equal 26644
+ 6661 × 80 that equals 532880
+ 6661 × 900 producing 5994900
+ 6661 × 7000 yielding 46627000

= 53181424
