To see how altering one of the formula values alters the result change the data in cell C1 from 3 to 6 and press Enter on your keyboard. And click Ok the cell reference will convert to absolute as you need. To start a new line double-click the cell which contains the text.
To increase the number in cell A1 by 20 multiply the number by 12 102.
Place this Excel formula in the cell C6. You can also do this in the formula bar. In the popping dialog select the option you need. From then on it keeps itself up to.