template.tex

\documentclass[preview]{standalone}

\usepackage[english]{babel}
% \usepackage[utf8x]{inputenc}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{dsfont}
\usepackage{setspace}
\usepackage{tipa}
\usepackage{relsize}
\usepackage{mathrsfs}
\usepackage{calligra}
\usepackage{wasysym}
\usepackage[UTF8]{ctex}

\begin{document}
\centering

\begin{align*}
    YourTextHere
\end{align*}

\end{document}