multiply two numbers of any kind
The result is always stored in the simplest possible form.
| std::over | divide two numbers of any kind |
| std::div | divide two integer numbers |
| std::mod | compute the remainder of two integer numbers |
| std::plus | add two numbers of any kind |
| std::minus | subtract two numbers of any kind |
| std_types::positive_integer | implements the times operation |
| std_types::real | implements the times operation for real numbers |