Alright, let's work through 7578 times 1542 step by step
7578 × 1542 = 1542 × (7578)
+ 1542 × 8 that equals 12336
+ 1542 × 70 resulting in 107940
+ 1542 × 500 giving us 771000
+ 1542 × 7000 giving us 10794000

= 11685276
