The fast method
⚡
24 / 8 = 3; multiply by 1000 to get 3000.
How it works
Divide by 8 and multiply by 1000. 125 = 1000 / 8.
Why it works
125 = 1000 / 8.
Use it when
Most convenient when the number is divisible by 8.
Watch out for
Do not round an intermediate fraction.
Verified examples
Example 1
24 × 125
24 / 8 = 3; multiply by 1000 to get 3000.
3000Example 2
56 × 125
56 / 8 = 7; multiply by 1000 to get 7000.
7000Example 3
88 × 125
88 / 8 = 11; multiply by 1000 to get 11000.
11000