Alright, let's work through 7758 times 1242 step by step
7758 × 1242 = 1242 × (7758)
+ 1242 × 8 that is equal 9936
+ 1242 × 50 that is equal 62100
+ 1242 × 700 that equals 869400
+ 1242 × 7000 producing 8694000

= 9635436
