% !TeX program = lualatex
% This files name = @Main_jiffy.tex
\documentclass[11pt,twoside]{book}
\usepackage{layout}
\setlength{\paperwidth}{7.5in}
\setlength{\paperheight}{9.25in}
\setlength{\oddsidemargin}{0.125in}
\setlength{\evensidemargin}{-0.125in}
\setlength{\topmargin}{-0.50in}
\setlength{\headheight}{0.25in}
\setlength{\headsep}{0.25in}
\setlength{\footskip}{0.50in}
\setlength{\textwidth}{5.5in}
\setlength{\textheight}{7.25in}
\setlength{\marginparsep}{9pt}
\setlength{\marginparwidth}{0.70in}
\usepackage[
  precision=3,
  display-language=vietnamese  % english-us
]{jiffy}
\begin{document}
\jiffy
 \layout
\end{document}