\documentclass[12pt,a4paper]{book}
\usepackage[left=2.50cm, right=2.50cm, top=2.50cm, bottom=2.50cm]{geometry}
\usepackage{enumitem}
\usepackage{fancyhdr}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{setspace}
\usepackage[colorlinks=true]{hyperref}
\usepackage[bottom]{footmisc}

\usepackage{xepersian}
\settextfont[Scale=1.32]{XB Yas}
\setlatintextfont[Scale=1.3]{EB Garamond}
\setdigitfont[Scale=1.32]{XB Yas}

\begin{document}
	سلام $2.76$
\end{document}