Alright, let's work through 1129 times 1487 step by step
1129 × 1487 = 1487 × (1129)
+ 1487 × 9 that equals 13383
+ 1487 × 20 resulting in 29740
+ 1487 × 100 giving us 148700
+ 1487 × 1000 what gives us 1487000

= 1678823
