One,

1, open the word interface, and click Insert and Symbol.

2. Click the symbol drop-down box, then select the multiplication sign and division sign, and then these two symbols will be inserted automatically.

Second,

1, right-click the keyboard symbols of the input method, and then click Symbol Set and Mathematical Symbol.

2. Select the multiplication symbol and division symbol in the "Number/Unit" drop-down box.

Third, click Insert, Formula in the toolbar, select the multiplication and division number, and add it to the formula editor.