The correct option is D =
We can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (−), asterisk(∗), or forward slash (/) signs.
On the worksheet, click the cell in which we want to enter the formula. Type the = (equal sign) followed by the constants and operators that we want to use in the calculation.