Specify a range. Addition and multiplication problems would feature numbers between 0 and range, inclusive. Subtraction and division problems would have required result and number to be operated on, between 0 and range

Quiz on simple arithmetic problems.
More information: <https://manpages.debian.org/bsdgames/arithmetic.6.en.html>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

arithmetic -r {{7}}

click the source code to copy install arithmetic on any operating system with command-not-found.com