Alright, let's work through 1489 times 7981 step by step
1489 × 7981 = 7981 × (1489)
+ 7981 × 9 producing 71829
+ 7981 × 80 producing 638480
+ 7981 × 400 that equals 3192400
+ 7981 × 1000 that is equal 7981000

= 11883709
