## Explanation

The MOD function performs the modulo operation. It takes a number and a divisor and returns the remainder after division.

In this formula, we subtract one MOD result from another.

For the first MOD, we use the number with a divisor that equals the place value we want times 10. For the second MOD, we use the number with a divisor equals to the place value we seek. The formula is solved like this:

```
=MOD(B8,C8*10)-MOD(B8,C8)
=MOD(123456,1000*10)-MOD(123456,1000)
=3456-456
=3000
```