I am trying to set-up a formula that will fill-in a value in a cell.

In a column (c7:c210) they are three value, either S, D, T. Based on what
alpha character is found, I want to insert a value, either 100 if S, 200 if
D, or 300 if T. I went to the bottom of the worksheet and set-up a location
for S(A212), D(A213), and T(A214) and a value for each in the adjacent 'B'
column.

I can get a single logic statement to work:

If(C7:c210,a212,b212)

and that works great for a single condition. But my question is how do I set
up a formula to cover all three conditions?