Alright, let's work through 7915 times 4977 step by step
7915 × 4977 = 4977 × (7915)
+ 4977 × 5 resulting in 24885
+ 4977 × 10 giving us 49770
+ 4977 × 900 that equals 4479300
+ 4977 × 7000 producing 34839000

= 39392955
