Alright, let's work through 1147 times 1286 step by step
1147 × 1286 = 1286 × (1147)
+ 1286 × 7 that results in 9002
+ 1286 × 40 giving us 51440
+ 1286 × 100 giving us 128600
+ 1286 × 1000 that equals 1286000

= 1475042
