Alright, let's work through 1242 times 1542 step by step
1242 × 1542 = 1542 × (1242)
+ 1542 × 2 resulting in 3084
+ 1542 × 40 yielding 61680
+ 1542 × 200 which equals 308400
+ 1542 × 1000 what gives us 1542000

= 1915164
