Adding a formula

You should have discovered by now that cells D6 to D9 contain a formula. The formula is:

Multiply together the values in column B and column C in this row and put the result in column D in the same row

The correct form of this formula needs to be entered for the roller glides in D11.

What is the formula that should be entered in D11? Look at the simulation below.

Let's have a look at how you enter this formula.