PLSSSSS I AM DYING.........FOR GOD SAKE TELL ME THIS........

Fx = Cx * Bx

where "x" is 1,2,3,4,5..................

means i want to generalize a column........ like

the values in "F" column should be product of that particular values in "C"
column and "B" column....


EXAMPLE:

F1= C1*B1

AND F2 = C2 * B2

AND F3 = C3 * B3............

like that i want to generalize the "F" column......... pls help me