Alright, let's work through 1245 times 5724 step by step
1245 × 5724 = 5724 × (1245)
+ 5724 × 5 producing 28620
+ 5724 × 40 resulting in 228960
+ 5724 × 200 yielding 1144800
+ 5724 × 1000 which equals 5724000

= 7126380
