Alright, let's work through 5242 times 258 step by step
5242 × 258 = 258 × (5242)
+ 258 × 2 giving us 516
+ 258 × 40 which equals 10320
+ 258 × 200 that equals 51600
+ 258 × 5000 that equals 1290000

= 1352436
