Alright, let's work through 1242 times 5355 step by step
1242 × 5355 = 5355 × (1242)
+ 5355 × 2 that is equal 10710
+ 5355 × 40 producing 214200
+ 5355 × 200 resulting in 1071000
+ 5355 × 1000 that results in 5355000

= 6650910
