Alright, let's work through 3930 times 3542 step by step
3930 × 3542 = 3542 × (3930)
+ 3542 × 0 resulting in 0
+ 3542 × 30 giving us 106260
+ 3542 × 900 what gives us 3187800
+ 3542 × 3000 resulting in 10626000

= 13920060
