Alright, let's work through 3932 times 4042 step by step
3932 × 4042 = 4042 × (3932)
+ 4042 × 2 that results in 8084
+ 4042 × 30 that equals 121260
+ 4042 × 900 giving us 3637800
+ 4042 × 3000 that equals 12126000

= 15893144
