Alright, let's work through 1135 times 3151 step by step
1135 × 3151 = 3151 × (1135)
+ 3151 × 5 which equals 15755
+ 3151 × 30 that is equal 94530
+ 3151 × 100 giving us 315100
+ 3151 × 1000 giving us 3151000

= 3576385
