Alright, let's work through 1243 times 1457 step by step
1243 × 1457 = 1457 × (1243)
+ 1457 × 3 that results in 4371
+ 1457 × 40 that results in 58280
+ 1457 × 200 that is equal 291400
+ 1457 × 1000 producing 1457000

= 1811051
