Alright, let's work through 1135 times 1012 step by step
1135 × 1012 = 1012 × (1135)
+ 1012 × 5 resulting in 5060
+ 1012 × 30 giving us 30360
+ 1012 × 100 that equals 101200
+ 1012 × 1000 yielding 1012000

= 1148620
