Alright, let's work through 7758 times 279 step by step
7758 × 279 = 279 × (7758)
+ 279 × 8 producing 2232
+ 279 × 50 that is equal 13950
+ 279 × 700 that equals 195300
+ 279 × 7000 yielding 1953000

= 2164482
