Alright, let's work through 5307 times 249 step by step
5307 × 249 = 249 × (5307)
+ 249 × 7 yielding 1743
+ 249 × 00 that is equal 0
+ 249 × 300 producing 74700
+ 249 × 5000 that results in 1245000

= 1321443
