Alright, let's work through 1634 times 7824 step by step
1634 × 7824 = 7824 × (1634)
+ 7824 × 4 what gives us 31296
+ 7824 × 30 producing 234720
+ 7824 × 600 that equals 4694400
+ 7824 × 1000 giving us 7824000

= 12784416
