Alright, let's work through 7783 times 6874 step by step
7783 × 6874 = 6874 × (7783)
+ 6874 × 3 producing 20622
+ 6874 × 80 giving us 549920
+ 6874 × 700 that is equal 4811800
+ 6874 × 7000 yielding 48118000

= 53500342
