Alright, let's work through 7888 times 5135 step by step
7888 × 5135 = 5135 × (7888)
+ 5135 × 8 which equals 41080
+ 5135 × 80 that equals 410800
+ 5135 × 800 which equals 4108000
+ 5135 × 7000 that equals 35945000

= 40504880
