How could I change dashboard columns to 3?

Frappe Framework Customization
1

FYI, I want to change dashboard columns layout.
How to show 3 columns?

DOXABEN__TABLET_1MG_30T_B_-_BC216431G0AB
DOXABEN__TABLET_1MG_30T_B_-_BC216431G0AB1444×998 60.1 KB

Thanks