Alright, let's work through 1392 times 413 step by step
1392 × 413 = 413 × (1392)
+ 413 × 2 which equals 826
+ 413 × 90 that results in 37170
+ 413 × 300 what gives us 123900
+ 413 × 1000 what gives us 413000

= 574896
