Alright, let's work through 7782 times 2521 step by step
7782 × 2521 = 2521 × (7782)
+ 2521 × 2 what gives us 5042
+ 2521 × 80 which equals 201680
+ 2521 × 700 that results in 1764700
+ 2521 × 7000 producing 17647000

= 19618422
